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sequencelengths 0
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|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
rust-lang/regex
|
2023-10-16T14:23:23Z
|
rust-lang__regex-1111
|
diff --git a/testdata/regression.toml b/testdata/regression.toml
--- a/testdata/regression.toml
+++ b/testdata/regression.toml
@@ -813,3 +813,18 @@ name = "hir-optimization-out-of-order-class"
regex = '^[[:alnum:]./-]+$'
haystack = "a-b"
matches = [[0, 3]]
+
+# This is a regression test for an improper reverse suffix optimization. This
+# occurred when I "broadened" the applicability of the optimization to include
+# multiple possible literal suffixes instead of only sticking to a non-empty
+# longest common suffix. It turns out that, at least given how the reverse
+# suffix optimization works, we need to stick to the longest common suffix for
+# now.
+#
+# See: https://github.com/rust-lang/regex/issues/1110
+# See also: https://github.com/astral-sh/ruff/pull/7980
+[[test]]
+name = 'improper-reverse-suffix-optimization'
+regex = '(\\N\{[^}]+})|([{}])'
+haystack = 'hiya \N{snowman} bye'
+matches = [[[5, 16], [5, 16], []]]
|
diff --git a/regex-automata/src/meta/strategy.rs b/regex-automata/src/meta/strategy.rs
--- a/regex-automata/src/meta/strategy.rs
+++ b/regex-automata/src/meta/strategy.rs
@@ -1167,21 +1167,34 @@ impl ReverseSuffix {
return Err(core);
}
let kind = core.info.config().get_match_kind();
- let suffixseq = crate::util::prefilter::suffixes(kind, hirs);
- let Some(suffixes) = suffixseq.literals() else {
- debug!(
- "skipping reverse suffix optimization because \
- the extract suffix sequence is not finite",
- );
- return Err(core);
+ let suffixes = crate::util::prefilter::suffixes(kind, hirs);
+ let lcs = match suffixes.longest_common_suffix() {
+ None => {
+ debug!(
+ "skipping reverse suffix optimization because \
+ a longest common suffix could not be found",
+ );
+ return Err(core);
+ }
+ Some(lcs) if lcs.is_empty() => {
+ debug!(
+ "skipping reverse suffix optimization because \
+ the longest common suffix is the empty string",
+ );
+ return Err(core);
+ }
+ Some(lcs) => lcs,
};
- let Some(pre) = Prefilter::new(kind, suffixes) else {
- debug!(
- "skipping reverse suffix optimization because \
+ let pre = match Prefilter::new(kind, &[lcs]) {
+ Some(pre) => pre,
+ None => {
+ debug!(
+ "skipping reverse suffix optimization because \
a prefilter could not be constructed from the \
longest common suffix",
- );
- return Err(core);
+ );
+ return Err(core);
+ }
};
if !pre.is_fast() {
debug!(
diff --git a/regex-automata/src/meta/strategy.rs b/regex-automata/src/meta/strategy.rs
--- a/regex-automata/src/meta/strategy.rs
+++ b/regex-automata/src/meta/strategy.rs
@@ -1268,7 +1281,7 @@ impl ReverseSuffix {
e.try_search_half_rev_limited(&input, min_start)
} else if let Some(e) = self.core.hybrid.get(&input) {
trace!(
- "using lazy DFA for reverse inner search at {:?}, \
+ "using lazy DFA for reverse suffix search at {:?}, \
but will be stopped at {} to avoid quadratic behavior",
input.get_span(),
min_start,
|
[
"1110"
] | 1,111
|
broadening of reverse suffix optimization has led to incorrect matches
Specifically, this program succeeds in `regex 1.9.x` but fails in `regex 1.10.1`:
```rust
fn main() -> anyhow::Result<()> {
let re = regex::Regex::new(r"(\\N\{[^}]+})|([{}])").unwrap();
let hay = r#"hiya \N{snowman} bye"#;
let matches = re.find_iter(hay).map(|m| m.range()).collect::<Vec<_>>();
assert_eq!(matches, vec![5..16]);
Ok(())
}
```
Its output with `1.10.1`:
```
$ cargo run -q
thread 'main' panicked at main.rs:7:5:
assertion `left == right` failed
left: [7..8, 15..16]
right: [5..16]
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
```
I believe the issue here was my change to broaden the reverse suffix optimization to use one of many possible literals. But this turns out to be not be quite correct since the rules that govern prefixes don't apply to suffixes. In this case, the literal optimization extracts `{` and `}` as suffixes. It looks for a `{` first and finds a match at that position via the second alternate in the regex. But this winds up missing the match that came before it with the first alternate since the `{` isn't a suffix of the first alternate.
This is why we should, at least at present, only use this optimization when there is a non-empty longest common suffix. In that case, and only that case, we know that it is a suffix of every possible path through the regex.
Thank you to @charliermarsh for finding this! See: https://github.com/astral-sh/ruff/pull/7980
|
1.10
|
e7bd19dd3ebf4b1a861275f0353202bf93a39ab1
|
10fe722a3fcfdc17068b21f3262189cc52227bb5
|
[
"suite_string::default"
] |
[
"misc::capture_index_panic_name - should panic",
"fuzz::meta_stopat_specialize_start_states_min",
"fuzz::slow_big_empty_chain4",
"fuzz::slow_big_empty_chain6",
"regression::regression_invalid_repetition_expr",
"misc::capture_index_panic_usize - should panic",
"fuzz::fail_branch_prevents_match",
"misc::capture_index",
"fuzz::slow_big_empty_chain2",
"fuzz::minimum_len_overflow",
"fuzz::slow_big_empty_chain3",
"misc::capture_names",
"fuzz::meta_stopat_specialize_start_states",
"misc::regex_string",
"misc::capture_misc",
"regression::regression_bad_word_boundary",
"misc::unclosed_group_error",
"misc::capture_index_lifetime",
"fuzz::slow_big_empty_chain5",
"regression::regression_invalid_flags_expression",
"regression::regression_complete_literals_suffix_incorrect",
"regression::invalid_regexes_no_crash",
"fuzz::slow_big_empty_chain",
"misc::sub_capture_matches",
"regression::regression_captures_rep",
"regression::regression_nfa_stops1",
"misc::dfa_handles_pathological_case",
"regression::regression_many_repeat_stack_overflow",
"regression::regression_unicode_perl_not_enabled",
"regression::regression_big_regex_overflow",
"regression_fuzz::empty_any_errors_no_panic",
"replace::all",
"replace::plus",
"replace::single_empty_match",
"replace::first",
"replace::literal_dollar2",
"replace::named",
"replace::match_at_start_replace_with_empty",
"replace::simple_expand",
"replace::number_hyphen",
"replace::groups",
"replace::no_expand1",
"replace::literal_dollar1",
"replace::closure_returning_reference",
"replace::impl_cow_str_owned",
"replace::replacen_no_captures",
"replace::closure_returning_value",
"replace::impl_string_ref",
"replace::replacen_with_captures",
"replace::impl_cow_str_borrowed_ref",
"regression_fuzz::fail_branch_prevents_match",
"replace::impl_string",
"replace::no_expand2",
"replace::trim",
"replace::capture_longest_possible_name",
"replace::impl_cow_str_owned_ref",
"regression_fuzz::todo",
"replace::impl_cow_str_borrowed",
"suite_bytes::default",
"replace::double_dollar",
"suite_bytes_set::default",
"suite_string_set::default",
"regression_fuzz::big_regex_fails_to_compile"
] |
[] |
[] |
|
rust-lang/regex
|
2023-08-26T12:53:23Z
|
rust-lang__regex-1072
|
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,10 +54,14 @@ jobs:
os: ubuntu-latest
rust: stable
target: i686-unknown-linux-gnu
- - build: stable-mips
+ - build: stable-powerpc64
os: ubuntu-latest
rust: stable
- target: mips64-unknown-linux-gnuabi64
+ target: powerpc64-unknown-linux-gnu
+ - build: stable-s390x
+ os: ubuntu-latest
+ rust: stable
+ target: s390x-unknown-linux-gnu
- build: beta
os: ubuntu-latest
rust: beta
diff --git a/testdata/regression.toml b/testdata/regression.toml
--- a/testdata/regression.toml
+++ b/testdata/regression.toml
@@ -756,3 +756,29 @@ name = "reverse-inner-short"
regex = '(?:([0-9][0-9][0-9]):)?([0-9][0-9]):([0-9][0-9])'
haystack = '102:12:39'
matches = [[[0, 9], [0, 3], [4, 6], [7, 9]]]
+
+# This regression test was found via the RegexSet APIs. It triggered a
+# particular code path where a regex was compiled with 'All' match semantics
+# (to support overlapping search), but got funneled down into a standard
+# leftmost search when calling 'is_match'. This is fine on its own, but the
+# leftmost search will use a prefilter and that's where this went awry.
+#
+# Namely, since 'All' semantics were used, the aho-corasick prefilter was
+# incorrectly compiled with 'Standard' semantics. This was wrong because
+# 'Standard' immediately attempts to report a match at every position, even if
+# that would mean reporting a match past the leftmost match before reporting
+# the leftmost match. This breaks the prefilter contract of never having false
+# negatives and leads overall to the engine not finding a match.
+#
+# See: https://github.com/rust-lang/regex/issues/1070
+[[test]]
+name = "prefilter-with-aho-corasick-standard-semantics"
+regex = '(?m)^ *v [0-9]'
+haystack = 'v 0'
+matches = [
+ { id = 0, spans = [[0, 3]] },
+]
+match-kind = "all"
+search-kind = "overlapping"
+unicode = true
+utf8 = true
|
diff --git a/regex-automata/src/util/prefilter/aho_corasick.rs b/regex-automata/src/util/prefilter/aho_corasick.rs
--- a/regex-automata/src/util/prefilter/aho_corasick.rs
+++ b/regex-automata/src/util/prefilter/aho_corasick.rs
@@ -22,11 +22,20 @@ impl AhoCorasick {
}
#[cfg(feature = "perf-literal-multisubstring")]
{
+ // We used to use `aho_corasick::MatchKind::Standard` here when
+ // `kind` was `MatchKind::All`, but this is not correct. The
+ // "standard" Aho-Corasick match semantics are to report a match
+ // immediately as soon as it is seen, but `All` isn't like that.
+ // In particular, with "standard" semantics, given the needles
+ // "abc" and "b" and the haystack "abc," it would report a match
+ // at offset 1 before a match at offset 0. This is never what we
+ // want in the context of the regex engine, regardless of whether
+ // we have leftmost-first or 'all' semantics. Namely, we always
+ // want the leftmost match.
let ac_match_kind = match kind {
- MatchKind::LeftmostFirst => {
+ MatchKind::LeftmostFirst | MatchKind::All => {
aho_corasick::MatchKind::LeftmostFirst
}
- MatchKind::All => aho_corasick::MatchKind::Standard,
};
// This is kind of just an arbitrary number, but basically, if we
// have a small enough set of literals, then we try to use the VERY
diff --git a/regex-automata/src/util/prefilter/mod.rs b/regex-automata/src/util/prefilter/mod.rs
--- a/regex-automata/src/util/prefilter/mod.rs
+++ b/regex-automata/src/util/prefilter/mod.rs
@@ -195,15 +195,6 @@ impl Prefilter {
/// Some(Span::from(6..9)),
/// pre.find(hay.as_bytes(), Span::from(0..hay.len())),
/// );
- /// // Now we put 'samwise' back before 'sam', but change the match
- /// // semantics to 'All'. In this case, there is no preference
- /// // order semantics and the first match detected is returned.
- /// let pre = Prefilter::new(MatchKind::All, &["samwise", "sam"])
- /// .expect("a prefilter");
- /// assert_eq!(
- /// Some(Span::from(6..9)),
- /// pre.find(hay.as_bytes(), Span::from(0..hay.len())),
- /// );
///
/// # Ok::<(), Box<dyn std::error::Error>>(())
/// ```
diff --git a/regex-automata/src/util/prefilter/teddy.rs b/regex-automata/src/util/prefilter/teddy.rs
--- a/regex-automata/src/util/prefilter/teddy.rs
+++ b/regex-automata/src/util/prefilter/teddy.rs
@@ -50,12 +50,17 @@ impl Teddy {
// theory we could at least support leftmost-longest, as the
// aho-corasick crate does, but regex-automata doesn't know about
// leftmost-longest currently.
+ //
+ // And like the aho-corasick prefilter, if we're using `All`
+ // semantics, then we can still use leftmost semantics for a
+ // prefilter. (This might be a suspicious choice for the literal
+ // engine, which uses a prefilter as a regex engine directly, but
+ // that only happens when using leftmost-first semantics.)
let (packed_match_kind, ac_match_kind) = match kind {
- MatchKind::LeftmostFirst => (
+ MatchKind::LeftmostFirst | MatchKind::All => (
aho_corasick::packed::MatchKind::LeftmostFirst,
aho_corasick::MatchKind::LeftmostFirst,
),
- _ => return None,
};
let minimum_len =
needles.iter().map(|n| n.as_ref().len()).min().unwrap_or(0);
|
[
"1070"
] | 1,072
|
RegexSet and Regex give different results for the same pattern in 1.9
#### What version of regex are you using?
`1.9.3`. The issue is present in regex `1.9.0` and later.
#### Describe the bug at a high level.
`RegexSet::new([r"(?m)^ *v [0-9]"]).unwrap().is_match("v 0")` incorrectly returns false in version 1.9.0 and later.
It returns true in 1.8.4.
It returns true if I use a `Regex` instead of a `RegexSet`.
#### What are the steps to reproduce the behavior?
```rust
fn main() {
let pattern = r"(?m)^ *v [0-9]";
let text = "v 0";
let re = regex::Regex::new(pattern).unwrap();
println!("re is: {re:?}");
println!("{}", re.is_match(text)); // true (correct)
let rs = regex::RegexSet::new([pattern]).unwrap();
println!("rs is: {rs:?}");
println!("{}", rs.is_match(text)); // false (incorrect)
}
```
([playground link](https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=eb964fd144925df0b5fd15e0d1d61279))
#### What is the actual behavior?
```
re is: Regex("(?m)^ *v [0-9]")
true
rs is: RegexSet(["(?m)^ *v [0-9]"])
false
```
#### What is the expected behavior?
The last line should be `true`.
|
1.9
|
7536e055840f74f1f7bda8ffecf851cb3e500147
|
17284451f10aa06c6c42e622e3529b98513901a8
|
[
"suite_string_set::default"
] |
[
"fuzz::fail_branch_prevents_match",
"fuzz::meta_stopat_specialize_start_states",
"fuzz::slow_big_empty_chain",
"fuzz::slow_big_empty_chain4",
"misc::capture_index_lifetime",
"fuzz::slow_big_empty_chain3",
"fuzz::slow_big_empty_chain2",
"fuzz::slow_big_empty_chain5",
"fuzz::meta_stopat_specialize_start_states_min",
"misc::capture_index",
"misc::capture_misc",
"fuzz::slow_big_empty_chain6",
"misc::capture_names",
"misc::regex_string",
"misc::sub_capture_matches",
"misc::capture_index_panic_name - should panic",
"misc::unclosed_group_error",
"misc::capture_index_panic_usize - should panic",
"regression::regression_bad_word_boundary",
"regression::invalid_regexes_no_crash",
"misc::dfa_handles_pathological_case",
"regression::regression_complete_literals_suffix_incorrect",
"regression::regression_captures_rep",
"regression::regression_invalid_repetition_expr",
"regression::regression_invalid_flags_expression",
"regression::regression_nfa_stops1",
"regression_fuzz::empty_any_errors_no_panic",
"regression_fuzz::fail_branch_prevents_match",
"replace::all",
"replace::impl_cow_str_borrowed_ref",
"replace::impl_cow_str_owned",
"replace::impl_cow_str_owned_ref",
"regression_fuzz::todo",
"replace::impl_string_ref",
"replace::replacen_no_captures",
"replace::literal_dollar2",
"replace::match_at_start_replace_with_empty",
"replace::single_empty_match",
"replace::trim",
"replace::first",
"replace::literal_dollar1",
"replace::impl_cow_str_borrowed",
"replace::double_dollar",
"replace::simple_expand",
"replace::closure_returning_value",
"replace::closure_returning_reference",
"replace::replacen_with_captures",
"replace::impl_string",
"replace::named",
"replace::plus",
"regression::regression_unicode_perl_not_enabled",
"replace::no_expand2",
"replace::capture_longest_possible_name",
"replace::number_hyphen",
"replace::groups",
"replace::no_expand1",
"suite_bytes_set::default",
"fuzz::minimum_len_overflow",
"regression::regression_big_regex_overflow",
"suite_bytes::default",
"regression::regression_many_repeat_stack_overflow",
"regression_fuzz::big_regex_fails_to_compile",
"suite_string::default"
] |
[] |
[] |
|
rust-lang/regex
|
2023-08-05T21:38:26Z
|
rust-lang__regex-1063
|
diff --git a/testdata/regression.toml b/testdata/regression.toml
--- a/testdata/regression.toml
+++ b/testdata/regression.toml
@@ -739,3 +739,20 @@ matches = [[0, 9]]
utf8 = false
match-kind = "all"
search-kind = "overlapping"
+
+# See: https://github.com/rust-lang/regex/issues/1060
+[[test]]
+name = "reverse-inner-plus-shorter-than-expected"
+regex = '(?:(\d+)[:.])?(\d{1,2})[:.](\d{2})'
+haystack = '102:12:39'
+matches = [[[0, 9], [0, 3], [4, 6], [7, 9]]]
+
+# Like reverse-inner-plus-shorter-than-expected, but using a far simpler regex
+# to demonstrate the extent of the rot. Sigh.
+#
+# See: https://github.com/rust-lang/regex/issues/1060
+[[test]]
+name = "reverse-inner-short"
+regex = '(?:([0-9][0-9][0-9]):)?([0-9][0-9]):([0-9][0-9])'
+haystack = '102:12:39'
+matches = [[[0, 9], [0, 3], [4, 6], [7, 9]]]
|
CLI reproduction:
```
$ regex-cli find match meta -p '(?:(\d+)[:.])?(\d{1,2})[:.](\d{2})' -y '888:77:66'
parse time: 27.056µs
translate time: 9.404µs
build meta time: 263.862µs
search time: 28.082µs
total matches: 1
0:1:9:88:77:66
```
The match should be `0:9` but `1:9` is reported.
This isn't really about `+` but about a literal optimization. The regex is conceptually broken into three pieces: `(?:(\d+)[:.])?(\d{1,2})`, `[:.]` and `(\d{2})`. The search looks for matches of the `[:.]` first, which is very quick by virtue of using SIMD acceleration. That first match occurs at `&haystack[3]`. Then it tries to run a reverse search for `(?:(\d+)[:.])?(\d{1,2})`. This is where things go wrong. It finds a reverse match at `&haystack[1]` because the `\d{1,2}` matches two digits and since the `(?:(\d+)[:.])?` is overall optional and the `[:.]` doesn't match at this point, the match is reported at offset `1`. Then a forward search is run from that point to find the real end of the match, which finds `9` because a match at `&haystack[1..9]` exists, but the correct leftmost match is `&haystack[0..9]`.
I'm going to need to think a little bit about how to fix this. It might be something about characterizing regexes that can't be used with the inner literal optimization. Which is unfortunate, but much better than removing the inner literal optimization altogether... Yikes.
|
diff --git a/regex-automata/src/meta/limited.rs b/regex-automata/src/meta/limited.rs
--- a/regex-automata/src/meta/limited.rs
+++ b/regex-automata/src/meta/limited.rs
@@ -88,7 +88,41 @@ pub(crate) fn dfa_try_search_half_rev(
return Err(RetryError::Quadratic(RetryQuadraticError::new()));
}
}
+ let was_dead = dfa.is_dead_state(sid);
dfa_eoi_rev(dfa, input, &mut sid, &mut mat)?;
+ // If we reach the beginning of the search and we could otherwise still
+ // potentially keep matching if there was more to match, then we actually
+ // return an error to indicate giving up on this optimization. Why? Because
+ // we can't prove that the real match begins at where we would report it.
+ //
+ // This only happens when all of the following are true:
+ //
+ // 1) We reach the starting point of our search span.
+ // 2) The match we found is before the starting point.
+ // 3) The FSM reports we could possibly find a longer match.
+ //
+ // We need (1) because otherwise the search stopped before the starting
+ // point and there is no possible way to find a more leftmost position.
+ //
+ // We need (2) because if the match found has an offset equal to the minimum
+ // possible offset, then there is no possible more leftmost match.
+ //
+ // We need (3) because if the FSM couldn't continue anyway (i.e., it's in
+ // a dead state), then we know we couldn't find anything more leftmost
+ // than what we have. (We have to check the state we were in prior to the
+ // EOI transition since the EOI transition will usually bring us to a dead
+ // state by virtue of it represents the end-of-input.)
+ if at == input.start()
+ && mat.map_or(false, |m| m.offset() > input.start())
+ && !was_dead
+ {
+ trace!(
+ "reached beginning of search at offset {} without hitting \
+ a dead state, quitting to avoid potential false positive match",
+ at,
+ );
+ return Err(RetryError::Quadratic(RetryQuadraticError::new()));
+ }
Ok(mat)
}
diff --git a/regex-automata/src/meta/limited.rs b/regex-automata/src/meta/limited.rs
--- a/regex-automata/src/meta/limited.rs
+++ b/regex-automata/src/meta/limited.rs
@@ -140,7 +174,20 @@ pub(crate) fn hybrid_try_search_half_rev(
return Err(RetryError::Quadratic(RetryQuadraticError::new()));
}
}
+ let was_dead = sid.is_dead();
hybrid_eoi_rev(dfa, cache, input, &mut sid, &mut mat)?;
+ // See the comments in the full DFA routine above for why we need this.
+ if at == input.start()
+ && mat.map_or(false, |m| m.offset() > input.start())
+ && !was_dead
+ {
+ trace!(
+ "reached beginning of search at offset {} without hitting \
+ a dead state, quitting to avoid potential false positive match",
+ at,
+ );
+ return Err(RetryError::Quadratic(RetryQuadraticError::new()));
+ }
Ok(mat)
}
|
[
"1060"
] | 1,063
|
reverse inner literal optimization results in incorrect match offsets in some cases
#### What version of regex are you using?
The bug is present in version 1.9.0 and 1.9.1.
1.8.4 was the last working version.
#### Describe the bug at a high level.
I am using the regex crate for parsing textual video durations and getting the duration in seconds.
After updating the regex crate to version 1.9.0, my regex fails to parse durations with more than 2 hour digits.
The + operator I use for matching an arbitrary amount of hour digits now only matches 1 or 2 digits.
#### What are the steps to reproduce the behavior?
Regex: `(?:(\d+)[:.])?(\d{1,2})[:.](\d{2})`
Here is my parsing function.
```rust
/// Parse textual video length (e.g. `0:49`, `2:02` or `1:48:18`)
/// and return the duration in seconds.
pub fn parse_video_length(text: &str) -> Option<u32> {
static VIDEO_LENGTH_REGEX: Lazy<Regex> =
Lazy::new(|| Regex::new(r#"(?:(\d+)[:.])?(\d{1,2})[:.](\d{2})"#).unwrap());
VIDEO_LENGTH_REGEX.captures(text).map(|cap| {
let hrs = cap
.get(1)
.and_then(|x| x.as_str().parse::<u32>().ok())
.unwrap_or_default();
let min = cap
.get(2)
.and_then(|x| x.as_str().parse::<u32>().ok())
.unwrap_or_default();
let sec = cap
.get(3)
.and_then(|x| x.as_str().parse::<u32>().ok())
.unwrap_or_default();
hrs * 3600 + min * 60 + sec
})
}
```
#### What is the actual behavior?
The hour group only matches the number 2, so the parsed duration is `2:12:39` or 7959 seconds
```rust
parse_video_length("102:12:39") == Some(7959)
```
#### What is the expected behavior?
```rust
parse_video_length("102:12:39") == Some(367959)
```
|
1.9
|
bbf0b38df618734b92d7b92acc8a8bf31b6d0046
|
17284451f10aa06c6c42e622e3529b98513901a8
|
[
"suite_string::default"
] |
[
"fuzz::fail_branch_prevents_match",
"fuzz::slow_big_empty_chain",
"fuzz::slow_big_empty_chain3",
"fuzz::meta_stopat_specialize_start_states",
"fuzz::slow_big_empty_chain4",
"misc::capture_index_lifetime",
"misc::capture_index",
"fuzz::slow_big_empty_chain6",
"fuzz::slow_big_empty_chain2",
"fuzz::meta_stopat_specialize_start_states_min",
"fuzz::slow_big_empty_chain5",
"misc::regex_string",
"misc::dfa_handles_pathological_case",
"misc::sub_capture_matches",
"misc::capture_index_panic_name - should panic",
"misc::capture_index_panic_usize - should panic",
"misc::unclosed_group_error",
"regression::invalid_regexes_no_crash",
"misc::capture_names",
"regression::regression_bad_word_boundary",
"regression::regression_complete_literals_suffix_incorrect",
"regression::regression_invalid_repetition_expr",
"regression::regression_captures_rep",
"regression::regression_invalid_flags_expression",
"misc::capture_misc",
"regression::regression_nfa_stops1",
"regression_fuzz::fail_branch_prevents_match",
"regression_fuzz::todo",
"replace::capture_longest_possible_name",
"replace::closure_returning_reference",
"replace::impl_cow_str_borrowed_ref",
"replace::impl_cow_str_owned",
"replace::impl_string",
"regression_fuzz::empty_any_errors_no_panic",
"replace::all",
"replace::match_at_start_replace_with_empty",
"replace::simple_expand",
"replace::number_hyphen",
"replace::impl_cow_str_owned_ref",
"replace::literal_dollar1",
"replace::literal_dollar2",
"replace::no_expand2",
"regression::regression_unicode_perl_not_enabled",
"replace::trim",
"replace::first",
"replace::impl_cow_str_borrowed",
"replace::replacen_with_captures",
"replace::closure_returning_value",
"replace::replacen_no_captures",
"replace::impl_string_ref",
"replace::plus",
"replace::single_empty_match",
"replace::double_dollar",
"replace::no_expand1",
"replace::named",
"replace::groups",
"suite_string_set::default",
"fuzz::minimum_len_overflow",
"regression::regression_big_regex_overflow",
"suite_bytes::default",
"suite_bytes_set::default",
"regression::regression_many_repeat_stack_overflow",
"regression_fuzz::big_regex_fails_to_compile"
] |
[] |
[] |
rust-lang/regex
|
2023-05-25T15:45:45Z
|
rust-lang__regex-1000
|
diff --git a/tests/regression.rs b/tests/regression.rs
--- a/tests/regression.rs
+++ b/tests/regression.rs
@@ -248,3 +248,16 @@ fn regression_big_regex_overflow() {
let re = regex_new!(pat);
assert!(re.is_err());
}
+
+#[test]
+fn regression_complete_literals_suffix_incorrect() {
+ let needles = vec![
+ "aA", "bA", "cA", "dA", "eA", "fA", "gA", "hA", "iA", "jA", "kA",
+ "lA", "mA", "nA", "oA", "pA", "qA", "rA", "sA", "tA", "uA", "vA",
+ "wA", "xA", "yA", "zA",
+ ];
+ let pattern = needles.join("|");
+ let re = regex!(&pattern);
+ let hay = "FUBAR";
+ assert_eq!(0, re.find_iter(text!(hay)).count());
+}
|
This was originally reported via ripgrep: https://github.com/rust-lang/regex/issues/999
|
diff --git a/src/exec.rs b/src/exec.rs
--- a/src/exec.rs
+++ b/src/exec.rs
@@ -1439,7 +1439,18 @@ impl ExecReadOnly {
// This case shouldn't happen. When the regex isn't
// anchored, then complete prefixes should imply complete
// suffixes.
- Some(MatchType::Literal(MatchLiteralType::Unanchored))
+ //
+ // The above is wrong! This case can happen. While
+ // complete prefixes should imply complete suffixes
+ // here, that doesn't necessarily mean we have a useful
+ // prefix matcher! It could be the case that the literal
+ // searcher decided the prefixes---even though they are
+ // "complete"---weren't good enough and thus created an
+ // empty matcher. If that happens and we return Unanchored
+ // here, then we'll end up using that matcher, which is
+ // very bad because it matches at every position. So...
+ // return None.
+ None
};
}
None
|
[
"999"
] | 1,000
|
regex with many literal alternates can erroneously match the empty string
This program panics:
```rust
fn main() {
let needles = vec![
"aA", "bA", "cA", "dA", "eA", "fA", "gA", "hA", "iA", "jA", "kA", "lA",
"mA", "nA", "oA", "pA", "qA", "rA", "sA", "tA", "uA", "vA", "wA", "xA",
"yA", "zA",
];
let pattern = needles.join("|");
let re = regex::Regex::new(&pattern).unwrap();
let hay = "FUBAR";
assert_eq!(0, re.find_iter(hay).count());
}
```
But it should run without panicking as the regex should not match anything in `FUBAR`.
This is another bug caused by the literal optimizer. This one is pretty hard to hit. All of the following need to be true:
* The literals extracted need to be "complete." That is, the language described by the regex is small and finite.
* There needs to be at least 26 distinct starting bytes among all of the elements in the language described by the regex.
* There needs to be fewer than 26 distinct ending bytes among all of the elements in the language described by the regex.
* Possibly other criteria...
This causes a weird code path in `src/exec.rs` that results in using an "empty" prefix literal matcher that matches at every position.
I'll plan to get a fix up for this soon, but this bug does not impact the rewrite. (Its literal infrastructure is far more principled than the hodge podge on `master`. We'll see if it lives up to my expectations though.)
|
1.8
|
d555d6122d1d1a354c45361d029571413beca8ef
|
d555d6122d1d1a354c45361d029571413beca8ef
|
[
"regression::regression_complete_literals_suffix_incorrect"
] |
[
"compile::tests::byte_classes",
"compile::tests::full_byte_classes",
"dfa::tests::prop_read_write_i32",
"dfa::tests::prop_read_write_u32",
"expand::tests::find_cap_ref1",
"exec::test::uppercut_s_backtracking_bytes_default_bytes_mismatch",
"exec::test::unicode_lit_star_backtracking_utf8bytes_default_utf8bytes_mismatch",
"expand::tests::find_cap_ref11",
"expand::tests::find_cap_ref10",
"expand::tests::find_cap_ref12",
"expand::tests::find_cap_ref13",
"expand::tests::find_cap_ref14",
"expand::tests::find_cap_ref15",
"expand::tests::find_cap_ref16",
"expand::tests::find_cap_ref17",
"expand::tests::find_cap_ref18",
"expand::tests::find_cap_ref19",
"expand::tests::find_cap_ref2",
"expand::tests::find_cap_ref20",
"expand::tests::find_cap_ref21",
"expand::tests::find_cap_ref22",
"expand::tests::find_cap_ref23",
"expand::tests::find_cap_ref24",
"expand::tests::find_cap_ref25",
"expand::tests::find_cap_ref26",
"expand::tests::find_cap_ref3",
"expand::tests::find_cap_ref4",
"expand::tests::find_cap_ref5",
"expand::tests::find_cap_ref6",
"expand::tests::find_cap_ref7",
"expand::tests::find_cap_ref8",
"expand::tests::find_cap_ref9",
"pool::tests::oibits",
"prog::test::test_size_of_inst",
"utf8::tests::prop_decode_last_matches_std",
"pool::tests::thread_owner_optimization",
"utf8::tests::prop_decode_matches_std",
"utf8::tests::prop_roundtrip",
"utf8::tests::prop_encode_matches_std",
"utf8::tests::reject_invalid",
"utf8::tests::prop_roundtrip_last",
"utf8::tests::reject_invalid_last",
"dfa::tests::prop_state_encode_decode",
"api::capture_index",
"api::capture_index_lifetime",
"api::capture_index_panic_usize - should panic",
"api::capture_index_panic_name - should panic",
"api::capture_names",
"api::capture_misc",
"api::empty_match_find_iter",
"api::empty_match_captures_iter",
"api::empty_regex_empty_match",
"api::expand10",
"api::empty_regex_nonempty_match",
"api::expand1",
"api::expand2",
"api::expand4",
"api::expand3",
"api::expand5",
"api::expand6",
"api::expand8",
"api::expand7",
"api::expand9",
"api::expand_name1",
"api::expand_name10",
"api::expand_name2",
"api::expand_name3",
"api::expand_name5",
"api::expand_name4",
"api::expand_name11",
"api::expand_name6",
"api::expand_name9",
"api::expand_name7",
"api::expand_name8",
"api::many_zero_length_match",
"api::first_range_starts_with_left_bracket",
"api::many_sequential_zero_length_match",
"api::splitn_below_limit",
"api_str::match_as_str",
"api::split3",
"api::regex_string",
"api::split_trailing_blank",
"crazy::greedy_many_optional",
"api::range_ends_with_escape",
"api::splitn_zero_limit",
"api::sub_capture_matches",
"api::split2",
"crazy::greedy_one_many_optional",
"api::splitn_at_limit",
"crazy::lazy_one_many_many",
"api::split_none",
"api::split_empty",
"api::split1",
"api::one_zero_length_match",
"crazy::greedy_one_many_many",
"api_str::empty_match_unicode_find_iter",
"api::splitn_empty",
"crazy::greedy_range_many",
"api::split_trailing_blanks",
"crazy::lazy_range_many",
"crazy::match_email",
"api::quoted_bracket_set",
"crazy::match_empty11",
"crazy::match_empty16",
"crazy::match_empty12",
"crazy::match_empty2",
"crazy::match_empty22",
"crazy::match_empty13",
"crazy::match_empty20",
"crazy::match_empty14",
"crazy::match_empty1",
"api::splitn_above_limit",
"crazy::lazy_many_many",
"crazy::lazy_range_min_many",
"api::splitn_trailing_blank",
"crazy::lazy_one_many_optional",
"crazy::match_email_not",
"crazy::match_empty7",
"crazy::ascii_literal",
"api::splitn_trailing_separator",
"crazy::match_empty21",
"api_str::empty_match_unicode_captures_iter",
"crazy::greedy_many_many",
"crazy::match_float2",
"crazy::lazy_many_optional",
"crazy::match_empty10",
"crazy::match_start_end_empty_many_1",
"crazy::greedy_range_min_many",
"crazy::match_empty15",
"crazy::match_empty18",
"crazy::match_empty23",
"crazy::match_empty17",
"crazy::match_empty3",
"crazy::match_email_big",
"crazy::match_ranges_not",
"crazy::match_date1",
"crazy::match_empty19",
"crazy::match_empty6",
"crazy::match_start_end_empty_rev",
"crazy::match_empty4",
"crazy::match_start_end_empty_many_2",
"crazy::match_start_end_empty_rep_rev",
"crazy::negclass_letters",
"crazy::negclass_space_comma",
"flags::match_flag_ungreedy_greedy",
"crazy::negclass_ascii",
"flags::match_flag_case_dotnl_toggle_ok",
"flags::match_flag_case_dotnl_toggle",
"crazy::match_float4",
"crazy::negclass_letter_comma",
"crazy::match_ranges",
"flags::match_flag_case_dotnl",
"flags::match_flag_ungreedy",
"fowler::match_basic_10",
"crazy::match_empty5",
"crazy::match_empty9",
"crazy::match_start_end_empty",
"flags::match_flag_case_dotnl_toggle_not",
"crazy::match_empty8",
"fowler::match_basic_102",
"fowler::match_basic_105",
"crazy::match_float3",
"crazy::match_float1",
"crazy::negclass_letter_space",
"flags::match_flag_weird_case_not",
"crazy::match_start_end_empty_rep",
"fowler::match_basic_113",
"crazy::negclass_space",
"crazy::negclass_comma",
"crazy::negclass_comma_space",
"flags::match_flag_case",
"fowler::match_basic_115",
"fowler::match_basic_116",
"flags::match_flag_multi",
"fowler::match_basic_110",
"fowler::match_basic_114",
"fowler::match_basic_123",
"crazy::match_date3",
"crazy::match_date2",
"fowler::match_basic_106",
"fowler::match_basic_121",
"fowler::match_basic_125",
"fowler::match_basic_100",
"fowler::match_basic_129",
"fowler::match_basic_104",
"fowler::match_basic_101",
"flags::match_flag_ungreedy_noop",
"fowler::match_basic_126",
"fowler::match_basic_111",
"fowler::match_basic_103",
"fowler::match_basic_131",
"fowler::match_basic_107",
"fowler::match_basic_122",
"fowler::match_basic_112",
"flags::match_flag_weird_case",
"fowler::match_basic_138",
"fowler::match_basic_134",
"fowler::match_basic_137",
"fowler::match_basic_141",
"fowler::match_basic_118",
"fowler::match_basic_109",
"fowler::match_basic_12",
"fowler::match_basic_119",
"fowler::match_basic_147",
"fowler::match_basic_108",
"fowler::match_basic_117",
"fowler::match_basic_120",
"fowler::match_basic_158",
"fowler::match_basic_133",
"fowler::match_basic_124",
"fowler::match_basic_128",
"fowler::match_basic_16",
"fowler::match_basic_160",
"fowler::match_basic_148",
"fowler::match_basic_140",
"fowler::match_basic_157",
"fowler::match_basic_162",
"fowler::match_basic_155",
"fowler::match_basic_149",
"fowler::match_basic_165",
"fowler::match_basic_150",
"fowler::match_basic_132",
"fowler::match_basic_161",
"fowler::match_basic_135",
"fowler::match_basic_139",
"fowler::match_basic_145",
"fowler::match_basic_15",
"fowler::match_basic_153",
"fowler::match_basic_18",
"fowler::match_basic_146",
"fowler::match_basic_144",
"fowler::match_basic_159",
"fowler::match_basic_17",
"fowler::match_basic_142",
"fowler::match_basic_151",
"fowler::match_basic_154",
"fowler::match_basic_166",
"fowler::match_basic_156",
"fowler::match_basic_170",
"fowler::match_basic_152",
"fowler::match_basic_178",
"fowler::match_basic_173",
"fowler::match_basic_169",
"fowler::match_basic_172",
"fowler::match_basic_180",
"fowler::match_basic_168",
"fowler::match_basic_164",
"fowler::match_basic_167",
"fowler::match_basic_181",
"fowler::match_basic_188",
"fowler::match_basic_175",
"fowler::match_basic_163",
"fowler::match_basic_19",
"fowler::match_basic_197",
"fowler::match_basic_193",
"fowler::match_basic_194",
"fowler::match_basic_186",
"fowler::match_basic_191",
"fowler::match_basic_199",
"fowler::match_basic_185",
"fowler::match_basic_177",
"fowler::match_basic_176",
"fowler::match_basic_171",
"fowler::match_basic_204",
"fowler::match_basic_196",
"fowler::match_basic_183",
"fowler::match_basic_190",
"fowler::match_basic_174",
"fowler::match_basic_189",
"fowler::match_basic_187",
"fowler::match_basic_179",
"fowler::match_basic_202",
"fowler::match_basic_192",
"fowler::match_basic_218",
"fowler::match_basic_198",
"fowler::match_basic_213",
"fowler::match_basic_217",
"fowler::match_basic_216",
"fowler::match_basic_207",
"fowler::match_basic_209",
"fowler::match_basic_184",
"fowler::match_basic_221",
"fowler::match_basic_20",
"fowler::match_basic_182",
"fowler::match_basic_195",
"fowler::match_basic_29",
"fowler::match_basic_201",
"fowler::match_basic_200",
"fowler::match_basic_205",
"fowler::match_basic_203",
"fowler::match_basic_37",
"fowler::match_basic_21",
"fowler::match_basic_212",
"fowler::match_basic_36",
"fowler::match_basic_208",
"fowler::match_basic_210",
"fowler::match_basic_206",
"fowler::match_basic_38",
"fowler::match_basic_4",
"fowler::match_basic_22",
"fowler::match_basic_41",
"fowler::match_basic_30",
"fowler::match_basic_48",
"fowler::match_basic_219",
"fowler::match_basic_215",
"fowler::match_basic_23",
"fowler::match_basic_220",
"fowler::match_basic_3",
"fowler::match_basic_49",
"fowler::match_basic_32",
"fowler::match_basic_214",
"fowler::match_basic_35",
"fowler::match_basic_45",
"fowler::match_basic_25",
"fowler::match_basic_27",
"fowler::match_basic_5",
"fowler::match_basic_211",
"fowler::match_basic_26",
"fowler::match_basic_28",
"fowler::match_basic_24",
"fowler::match_basic_33",
"fowler::match_basic_7",
"fowler::match_basic_34",
"fowler::match_basic_68",
"fowler::match_basic_47",
"fowler::match_basic_55",
"fowler::match_basic_73",
"fowler::match_basic_46",
"fowler::match_basic_67",
"fowler::match_basic_39",
"fowler::match_basic_56",
"fowler::match_basic_44",
"fowler::match_basic_42",
"fowler::match_basic_43",
"fowler::match_basic_40",
"fowler::match_basic_54",
"fowler::match_basic_70",
"fowler::match_basic_58",
"fowler::match_basic_88",
"fowler::match_basic_77",
"fowler::match_basic_78",
"fowler::match_basic_6",
"fowler::match_basic_66",
"fowler::match_basic_51",
"fowler::match_basic_50",
"fowler::match_basic_59",
"fowler::match_basic_65",
"fowler::match_basic_76",
"fowler::match_basic_87",
"fowler::match_basic_72",
"fowler::match_basic_57",
"fowler::match_basic_69",
"fowler::match_basic_52",
"fowler::match_basic_53",
"fowler::match_basic_85",
"fowler::match_basic_80",
"fowler::match_nullsubexpr_14",
"fowler::match_basic_91",
"fowler::match_basic_98",
"fowler::match_basic_71",
"fowler::match_nullsubexpr_12",
"fowler::match_basic_99",
"fowler::match_basic_79",
"fowler::match_basic_86",
"fowler::match_basic_84",
"fowler::match_nullsubexpr_15",
"fowler::match_basic_83",
"fowler::match_basic_9",
"fowler::match_nullsubexpr_25",
"fowler::match_nullsubexpr_23",
"fowler::match_basic_97",
"fowler::match_nullsubexpr_29",
"fowler::match_nullsubexpr_3",
"fowler::match_nullsubexpr_10",
"fowler::match_basic_81",
"fowler::match_nullsubexpr_21",
"fowler::match_nullsubexpr_28",
"fowler::match_nullsubexpr_34",
"fowler::match_basic_90",
"fowler::match_basic_89",
"fowler::match_basic_95",
"fowler::match_basic_94",
"fowler::match_basic_96",
"fowler::match_basic_92",
"fowler::match_basic_93",
"fowler::match_nullsubexpr_24",
"fowler::match_nullsubexpr_16",
"fowler::match_nullsubexpr_30",
"fowler::match_nullsubexpr_45",
"fowler::match_nullsubexpr_11",
"fowler::match_nullsubexpr_13",
"fowler::match_nullsubexpr_48",
"fowler::match_nullsubexpr_17",
"fowler::match_nullsubexpr_18",
"fowler::match_basic_74",
"fowler::match_nullsubexpr_43",
"fowler::match_basic_75",
"fowler::match_nullsubexpr_37",
"fowler::match_nullsubexpr_19",
"fowler::match_nullsubexpr_7",
"fowler::match_nullsubexpr_69",
"fowler::match_nullsubexpr_26",
"fowler::match_nullsubexpr_27",
"fowler::match_nullsubexpr_5",
"fowler::match_nullsubexpr_41",
"fowler::match_nullsubexpr_77",
"fowler::match_repetition_104",
"fowler::match_nullsubexpr_32",
"fowler::match_nullsubexpr_36",
"fowler::match_nullsubexpr_35",
"fowler::match_nullsubexpr_38",
"fowler::match_nullsubexpr_33",
"fowler::match_nullsubexpr_74",
"fowler::match_nullsubexpr_8",
"fowler::match_repetition_10",
"fowler::match_nullsubexpr_46",
"fowler::match_nullsubexpr_50",
"fowler::match_nullsubexpr_39",
"fowler::match_nullsubexpr_40",
"fowler::match_nullsubexpr_42",
"fowler::match_nullsubexpr_6",
"fowler::match_repetition_106",
"fowler::match_nullsubexpr_75",
"fowler::match_nullsubexpr_78",
"fowler::match_repetition_100",
"fowler::match_repetition_136",
"fowler::match_repetition_12",
"fowler::match_nullsubexpr_70",
"fowler::match_repetition_114",
"fowler::match_nullsubexpr_73",
"fowler::match_nullsubexpr_71",
"fowler::match_repetition_115",
"fowler::match_repetition_128",
"fowler::match_repetition_14",
"fowler::match_repetition_137",
"fowler::match_nullsubexpr_79",
"fowler::match_repetition_112",
"fowler::match_repetition_15",
"fowler::match_nullsubexpr_9",
"fowler::match_repetition_150",
"fowler::match_repetition_152",
"fowler::match_repetition_135",
"fowler::match_repetition_20",
"fowler::match_repetition_18",
"fowler::match_repetition_24",
"fowler::match_repetition_163",
"fowler::match_repetition_131",
"fowler::match_repetition_130",
"fowler::match_repetition_127",
"fowler::match_repetition_143",
"fowler::match_repetition_145",
"fowler::match_repetition_11",
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"crates_regex::phile_0",
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"crates_regex::phile_2",
"crates_regex::phone_number_0",
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"crates_regex::pronghorn_0",
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"crates_regex::qui_vive_0",
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"crates_regex::rargs_4",
"crates_regex::raven_0",
"crates_regex::reaper_0",
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"crates_regex::retdec_0",
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"crates_regex::rexpect_1",
"crates_regex::rexpect_2",
"crates_regex::rfc822_sanitizer_0",
"crates_regex::rfc822_sanitizer_1",
"crates_regex::ripgrep_0",
"crates_regex::riquid_0",
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"crates_regex::rogcat_0",
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"crates_regex::rpi_info_0",
"crates_regex::rpi_info_1",
"crates_regex::rs_jsonpath_0",
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"crates_regex::rtag_3",
"crates_regex::rtow_0",
"crates_regex::ruma_identifiers_0",
"crates_regex::rumblebars_0",
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"crates_regex::rural_1",
"crates_regex::rural_0",
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"crates_regex::rural_3",
"crates_regex::rusoto_credential_0",
"crates_regex::rusqbin_0",
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"crates_regex::rust_enum_derive_0",
"crates_regex::rust_enum_derive_1",
"crates_regex::rust_enum_derive_2",
"crates_regex::rust_enum_derive_3",
"crates_regex::rust_inbox_0",
"crates_regex::rust_inbox_1",
"crates_regex::rust_inbox_2",
"crates_regex::rust_inbox_3",
"crates_regex::rust_inbox_4",
"crates_regex::rust_inbox_5",
"crates_regex::rust_inbox_6",
"crates_regex::rust_inbox_7",
"crates_regex::rust_inbox_8",
"crates_regex::rust_inbox_9",
"crates_regex::rust_install_0",
"crates_regex::rustache_0",
"crates_regex::rustache_lists_0",
"crates_regex::rustfilt_0",
"crates_regex::rustfmt_0",
"crates_regex::rustfmt_core_0",
"crates_regex::rustfmt_core_1",
"crates_regex::rustfmt_core_2",
"crates_regex::rustfmt_core_3",
"crates_regex::rustfmt_nightly_0",
"crates_regex::rustfmt_nightly_1",
"crates_regex::rustml_0",
"crates_regex::rustml_1",
"crates_regex::rustml_2",
"crates_regex::rustsourcebundler_0",
"crates_regex::rustsourcebundler_1",
"crates_regex::rvsim_0",
"crates_regex::rvue_0",
"crates_regex::rvue_1",
"crates_regex::rvue_2",
"crates_regex::rvue_3",
"crates_regex::rvue_4",
"crates_regex::sabisabi_0",
"crates_regex::sabisabi_1",
"crates_regex::salt_compressor_0",
"crates_regex::sassers_0",
"crates_regex::scarlet_0",
"crates_regex::screenruster_saver_fractal_0",
"crates_regex::sentiment_0",
"crates_regex::sentiment_1",
"crates_regex::sentry_0",
"crates_regex::serde_hjson_0",
"crates_regex::serde_hjson_1",
"crates_regex::serde_hjson_2",
"crates_regex::serial_key_0",
"crates_regex::sgf_0",
"crates_regex::sgf_1",
"crates_regex::sgf_2",
"crates_regex::sgf_3",
"crates_regex::serde_odbc_0",
"crates_regex::shadowsocks_0",
"crates_regex::shellwords_0",
"crates_regex::shellwords_1",
"crates_regex::shkeleton_0",
"crates_regex::shush_0",
"crates_regex::skim_0",
"crates_regex::skim_1",
"crates_regex::skim_10",
"crates_regex::skim_11",
"crates_regex::skim_12",
"crates_regex::skim_2",
"crates_regex::skim_3",
"crates_regex::skim_5",
"crates_regex::skim_4",
"crates_regex::skim_6",
"crates_regex::skim_7",
"crates_regex::skim_8",
"crates_regex::skim_9",
"crates_regex::slippy_map_tiles_0",
"crates_regex::slippy_map_tiles_1",
"crates_regex::slippy_map_tiles_2",
"crates_regex::smtp2go_0",
"crates_regex::sonos_0",
"crates_regex::space_email_api_0",
"crates_regex::spaceslugs_0",
"crates_regex::spaceslugs_1",
"crates_regex::spaceslugs_2",
"crates_regex::spaceslugs_3",
"crates_regex::split_aud_0",
"crates_regex::split_aud_1",
"crates_regex::spotrust_0",
"crates_regex::spreadsheet_textconv_0",
"crates_regex::spreadsheet_textconv_2",
"crates_regex::spreadsheet_textconv_1",
"crates_regex::ssb_common_0",
"crates_regex::ssb_common_1",
"crates_regex::ssb_common_2",
"crates_regex::stache_0",
"crates_regex::steamid_ng_0",
"crates_regex::steamid_ng_1",
"crates_regex::sterling_0",
"crates_regex::strscan_0",
"crates_regex::strscan_1",
"crates_regex::strscan_2",
"crates_regex::strscan_3",
"crates_regex::strscan_4",
"crates_regex::strukt_0",
"crates_regex::substudy_0",
"crates_regex::substudy_1",
"crates_regex::substudy_2",
"crates_regex::substudy_3",
"crates_regex::substudy_4",
"crates_regex::svgrep_0",
"crates_regex::symbolic_debuginfo_0",
"crates_regex::symbolic_minidump_0",
"crates_regex::systemfd_0",
"crates_regex::td_client_0",
"crates_regex::teensy_0",
"crates_regex::telescreen_0",
"crates_regex::tempus_fugit_0",
"crates_regex::termimage_0",
"crates_regex::thieves_cant_0",
"crates_regex::thruster_cli_0",
"crates_regex::tight_0",
"crates_regex::tight_1",
"crates_regex::timespan_0",
"crates_regex::timespan_1",
"crates_regex::timespan_2",
"crates_regex::timespan_3",
"crates_regex::timespan_4",
"crates_regex::timmy_1",
"crates_regex::timmy_0",
"crates_regex::timmy_2",
"crates_regex::timmy_3",
"crates_regex::timmy_4",
"crates_regex::tin_drummer_0",
"crates_regex::tin_drummer_1",
"crates_regex::tin_drummer_2",
"crates_regex::tin_drummer_3",
"crates_regex::tin_drummer_4",
"crates_regex::tin_drummer_5",
"crates_regex::tin_drummer_6",
"crates_regex::tin_drummer_7",
"crates_regex::tin_summer_0",
"crates_regex::tinfo_0",
"crates_regex::tinfo_1",
"crates_regex::titlecase_0",
"crates_regex::tk_carbon_0",
"crates_regex::tk_carbon_1",
"crates_regex::todo_txt_0",
"crates_regex::toml_query_0",
"crates_regex::tsm_sys_0",
"crates_regex::tweetr_0",
"crates_regex::ubiquity_0",
"crates_regex::ubiquity_1",
"crates_regex::ubiquity_2",
"crates_regex::ucd_parse_0",
"crates_regex::ultrastar_txt_0",
"crates_regex::ultrastar_txt_1",
"crates_regex::ultrastar_txt_2",
"crates_regex::ultrastar_txt_3",
"crates_regex::ultrastar_txt_4",
"crates_regex::unicode_names2_macros_0",
"crates_regex::unidiff_0",
"crates_regex::unidiff_1",
"crates_regex::unidiff_2",
"crates_regex::unidiff_3",
"crates_regex::upm_lib_0",
"crates_regex::urdf_rs_0",
"crates_regex::uritemplate_0",
"crates_regex::url_match_0",
"crates_regex::url_match_1",
"crates_regex::validator_derive_0",
"crates_regex::validator_derive_1",
"crates_regex::validator_derive_2",
"crates_regex::vat_0",
"crates_regex::vat_1",
"crates_regex::vat_10",
"crates_regex::vat_11",
"crates_regex::vat_12",
"crates_regex::vat_13",
"crates_regex::vat_14",
"crates_regex::vat_15",
"crates_regex::vat_16",
"crates_regex::vat_17",
"crates_regex::vat_18",
"crates_regex::vat_19",
"crates_regex::vat_2",
"crates_regex::vat_20",
"crates_regex::vat_21",
"crates_regex::vat_22",
"crates_regex::vat_23",
"crates_regex::vat_24",
"crates_regex::vat_25",
"crates_regex::vat_26",
"crates_regex::vat_27",
"crates_regex::vat_28",
"crates_regex::vat_29",
"crates_regex::vat_3",
"crates_regex::vat_30",
"crates_regex::vat_31",
"crates_regex::vat_32",
"crates_regex::vat_4",
"crates_regex::vat_5",
"crates_regex::vat_6",
"crates_regex::vat_7",
"crates_regex::vat_8",
"crates_regex::vat_9",
"crates_regex::verex_0",
"crates_regex::verilog_0",
"crates_regex::victoria_dom_0",
"crates_regex::vobsub_0",
"crates_regex::voidmap_0",
"crates_regex::voidmap_1",
"crates_regex::voidmap_10",
"crates_regex::voidmap_11",
"crates_regex::voidmap_12",
"crates_regex::voidmap_13",
"crates_regex::voidmap_14",
"crates_regex::voidmap_15",
"crates_regex::voidmap_16",
"crates_regex::voidmap_17",
"crates_regex::voidmap_18",
"crates_regex::voidmap_19",
"crates_regex::voidmap_2",
"crates_regex::voidmap_3",
"crates_regex::voidmap_4",
"crates_regex::voidmap_5",
"crates_regex::voidmap_6",
"crates_regex::voidmap_7",
"crates_regex::voidmap_8",
"crates_regex::voidmap_9",
"crates_regex::vterm_sys_0",
"crates_regex::waltz_0",
"crates_regex::warheadhateus_0",
"crates_regex::warheadhateus_1",
"crates_regex::warheadhateus_2",
"crates_regex::warheadhateus_3",
"crates_regex::weave_0",
"crates_regex::webgl_generator_0",
"crates_regex::webgl_generator_1",
"crates_regex::webscale_0",
"crates_regex::weld_0",
"crates_regex::weld_1",
"crates_regex::weld_10",
"crates_regex::weld_2",
"crates_regex::weld_3",
"crates_regex::weld_4",
"crates_regex::weld_5",
"crates_regex::weld_6",
"crates_regex::weld_7",
"crates_regex::weld_8",
"crates_regex::weld_9",
"crates_regex::wemo_0",
"crates_regex::wifiscanner_0",
"crates_regex::wifiscanner_1",
"crates_regex::wifiscanner_2",
"crates_regex::wikibase_0",
"crates_regex::woothee_0",
"crates_regex::woothee_1",
"crates_regex::woothee_10",
"crates_regex::woothee_11",
"crates_regex::woothee_12",
"crates_regex::woothee_13",
"crates_regex::woothee_14",
"crates_regex::woothee_15",
"crates_regex::woothee_16",
"crates_regex::woothee_17",
"crates_regex::woothee_18",
"crates_regex::woothee_19",
"crates_regex::woothee_2",
"crates_regex::woothee_20",
"crates_regex::woothee_21",
"crates_regex::woothee_22",
"crates_regex::woothee_23",
"crates_regex::woothee_24",
"crates_regex::woothee_25",
"crates_regex::woothee_26",
"crates_regex::woothee_27",
"crates_regex::woothee_28",
"crates_regex::woothee_29",
"crates_regex::woothee_3",
"crates_regex::woothee_30",
"crates_regex::woothee_31",
"crates_regex::woothee_32",
"crates_regex::woothee_33",
"crates_regex::woothee_34",
"crates_regex::woothee_35",
"crates_regex::woothee_36",
"crates_regex::woothee_37",
"crates_regex::woothee_38",
"crates_regex::woothee_39",
"crates_regex::woothee_4",
"crates_regex::woothee_40",
"crates_regex::woothee_41",
"crates_regex::woothee_42",
"crates_regex::woothee_43",
"crates_regex::woothee_5",
"crates_regex::woothee_6",
"crates_regex::woothee_7",
"crates_regex::woothee_8",
"crates_regex::woothee_9",
"crates_regex::word_replace_0",
"crates_regex::wordcount_0",
"crates_regex::yaml_0",
"crates_regex::yaml_1",
"crates_regex::yaml_10",
"crates_regex::yaml_2",
"crates_regex::yaml_3",
"crates_regex::yaml_4",
"crates_regex::yaml_5",
"crates_regex::yaml_6",
"crates_regex::yaml_7",
"crates_regex::yaml_8",
"crates_regex::yaml_9",
"crates_regex::yobot_0",
"crates_regex::yobot_1",
"crates_regex::yobot_2",
"crates_regex::yobot_3",
"crates_regex::youtube_downloader_0",
"crates_regex::yubibomb_0",
"allow_octal",
"big_empty_regex_fails",
"big_zero_reps_regex_fails",
"big_empty_reps_chain_regex_fails",
"disallow_octal",
"disallow_non_utf8",
"misc::terminates",
"misc::prefix_literal_match",
"misc::prefix_literal_nomatch",
"misc::one_literal_edge",
"oibits",
"regex_is_reasonably_small",
"oibits_regression",
"regression_i969",
"regression_fuzz::empty_any_errors_no_panic",
"regression_fuzz::todo",
"shortest_match::t01",
"shortest_match::t02",
"empty_alt_regex_fails",
"regression_fuzz::big_regex_fails_to_compile"
] |
[] |
[] |
rust-lang/regex
|
2023-04-21T11:29:01Z
|
rust-lang__regex-984
|
diff --git a/regex-syntax/src/hir/translate.rs b/regex-syntax/src/hir/translate.rs
--- a/regex-syntax/src/hir/translate.rs
+++ b/regex-syntax/src/hir/translate.rs
@@ -3287,6 +3287,12 @@ mod tests {
assert_eq!(p.minimum_len(), Some(1));
}
+ #[test]
+ fn analysis_look_set_prefix_any() {
+ let p = props(r"(?-u)(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))");
+ assert!(p.look_set_prefix_any().contains(Look::WordAscii));
+ }
+
#[test]
fn analysis_is_anchored() {
let is_start = |p| props(p).look_set_prefix().contains(Look::Start);
diff --git a/tests/regression.rs b/tests/regression.rs
--- a/tests/regression.rs
+++ b/tests/regression.rs
@@ -220,3 +220,23 @@ matiter!(empty_group_find, r"()Ј01", "zЈ01", (1, 5));
// See: https://github.com/rust-lang/regex/issues/862
mat!(non_greedy_question_literal, r"ab??", "ab", Some((0, 1)));
+
+// See: https://github.com/rust-lang/regex/issues/981
+#[cfg(feature = "unicode")]
+#[test]
+fn regression_bad_word_boundary() {
+ let re = regex_new!(r#"(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))"#).unwrap();
+ let hay = "ubi-Darwin-x86_64.tar.gz";
+ assert!(!re.is_match(text!(hay)));
+ let hay = "ubi-Windows-x86_64.zip";
+ assert!(re.is_match(text!(hay)));
+}
+
+// See: https://github.com/rust-lang/regex/issues/982
+#[cfg(feature = "unicode-perl")]
+#[test]
+fn regression_unicode_perl_not_enabled() {
+ let pat = r"(\d+\s?(years|year|y))?\s?(\d+\s?(months|month|m))?\s?(\d+\s?(weeks|week|w))?\s?(\d+\s?(days|day|d))?\s?(\d+\s?(hours|hour|h))?";
+ let re = regex_new!(pat);
+ assert!(re.is_ok());
+}
|
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -1854,6 +1854,8 @@ struct PropertiesI {
look_set: LookSet,
look_set_prefix: LookSet,
look_set_suffix: LookSet,
+ look_set_prefix_any: LookSet,
+ look_set_suffix_any: LookSet,
utf8: bool,
explicit_captures_len: usize,
static_explicit_captures_len: Option<usize>,
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -1909,6 +1911,19 @@ impl Properties {
self.0.look_set_prefix
}
+ /// Returns a set of all look-around assertions that appear as a _possible_
+ /// prefix for this HIR value. That is, the set returned corresponds to the
+ /// set of assertions that _may_ be passed before matching any bytes in a
+ /// haystack.
+ ///
+ /// For example, `hir.look_set_prefix_any().contains(Look::Start)` returns
+ /// true if and only if it's possible for the regex to match through a
+ /// anchored assertion before consuming any input.
+ #[inline]
+ pub fn look_set_prefix_any(&self) -> LookSet {
+ self.0.look_set_prefix_any
+ }
+
/// Returns a set of all look-around assertions that appear as a suffix for
/// this HIR value. That is, the set returned corresponds to the set of
/// assertions that must be passed in order to be considered a match after
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -1921,6 +1936,19 @@ impl Properties {
self.0.look_set_suffix
}
+ /// Returns a set of all look-around assertions that appear as a _possible_
+ /// suffix for this HIR value. That is, the set returned corresponds to the
+ /// set of assertions that _may_ be passed before matching any bytes in a
+ /// haystack.
+ ///
+ /// For example, `hir.look_set_suffix_any().contains(Look::End)` returns
+ /// true if and only if it's possible for the regex to match through a
+ /// anchored assertion at the end of a match without consuming any input.
+ #[inline]
+ pub fn look_set_suffix_any(&self) -> LookSet {
+ self.0.look_set_suffix_any
+ }
+
/// Return true if and only if the corresponding HIR will always match
/// valid UTF-8.
///
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2188,6 +2216,8 @@ impl Properties {
look_set: LookSet::empty(),
look_set_prefix: fix,
look_set_suffix: fix,
+ look_set_prefix_any: LookSet::empty(),
+ look_set_suffix_any: LookSet::empty(),
utf8: true,
explicit_captures_len: 0,
static_explicit_captures_len,
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2201,6 +2231,8 @@ impl Properties {
props.look_set.set_union(p.look_set());
props.look_set_prefix.set_intersect(p.look_set_prefix());
props.look_set_suffix.set_intersect(p.look_set_suffix());
+ props.look_set_prefix_any.set_union(p.look_set_prefix_any());
+ props.look_set_suffix_any.set_union(p.look_set_suffix_any());
props.utf8 = props.utf8 && p.is_utf8();
props.explicit_captures_len = props
.explicit_captures_len
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2246,6 +2278,8 @@ impl Properties {
look_set: LookSet::empty(),
look_set_prefix: LookSet::empty(),
look_set_suffix: LookSet::empty(),
+ look_set_prefix_any: LookSet::empty(),
+ look_set_suffix_any: LookSet::empty(),
// It is debatable whether an empty regex always matches at valid
// UTF-8 boundaries. Strictly speaking, at a byte oriented view,
// it is clearly false. There are, for example, many empty strings
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2280,6 +2314,8 @@ impl Properties {
look_set: LookSet::empty(),
look_set_prefix: LookSet::empty(),
look_set_suffix: LookSet::empty(),
+ look_set_prefix_any: LookSet::empty(),
+ look_set_suffix_any: LookSet::empty(),
utf8: core::str::from_utf8(&lit.0).is_ok(),
explicit_captures_len: 0,
static_explicit_captures_len: Some(0),
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2297,6 +2333,8 @@ impl Properties {
look_set: LookSet::empty(),
look_set_prefix: LookSet::empty(),
look_set_suffix: LookSet::empty(),
+ look_set_prefix_any: LookSet::empty(),
+ look_set_suffix_any: LookSet::empty(),
utf8: class.is_utf8(),
explicit_captures_len: 0,
static_explicit_captures_len: Some(0),
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2314,6 +2352,8 @@ impl Properties {
look_set: LookSet::singleton(look),
look_set_prefix: LookSet::singleton(look),
look_set_suffix: LookSet::singleton(look),
+ look_set_prefix_any: LookSet::singleton(look),
+ look_set_suffix_any: LookSet::singleton(look),
// This requires a little explanation. Basically, we don't consider
// matching an empty string to be equivalent to matching invalid
// UTF-8, even though technically matching every empty string will
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2355,15 +2395,17 @@ impl Properties {
look_set: p.look_set(),
look_set_prefix: LookSet::empty(),
look_set_suffix: LookSet::empty(),
+ look_set_prefix_any: p.look_set_prefix_any(),
+ look_set_suffix_any: p.look_set_suffix_any(),
utf8: p.is_utf8(),
explicit_captures_len: p.explicit_captures_len(),
static_explicit_captures_len: p.static_explicit_captures_len(),
literal: false,
alternation_literal: false,
};
- // The repetition operator can match the empty string, then its lookset
- // prefix and suffixes themselves remain empty since they are no longer
- // required to match.
+ // If the repetition operator can match the empty string, then its
+ // lookset prefix and suffixes themselves remain empty since they are
+ // no longer required to match.
if rep.min > 0 {
inner.look_set_prefix = p.look_set_prefix();
inner.look_set_suffix = p.look_set_suffix();
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2414,6 +2456,8 @@ impl Properties {
look_set: LookSet::empty(),
look_set_prefix: LookSet::empty(),
look_set_suffix: LookSet::empty(),
+ look_set_prefix_any: LookSet::empty(),
+ look_set_suffix_any: LookSet::empty(),
utf8: true,
explicit_captures_len: 0,
static_explicit_captures_len: Some(0),
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2455,6 +2499,9 @@ impl Properties {
let mut it = concat.iter();
while let Some(x) = it.next() {
props.look_set_prefix.set_union(x.properties().look_set_prefix());
+ props
+ .look_set_prefix_any
+ .set_union(x.properties().look_set_prefix_any());
if x.properties().maximum_len().map_or(true, |x| x > 0) {
break;
}
diff --git a/regex-syntax/src/hir/mod.rs b/regex-syntax/src/hir/mod.rs
--- a/regex-syntax/src/hir/mod.rs
+++ b/regex-syntax/src/hir/mod.rs
@@ -2463,6 +2510,9 @@ impl Properties {
let mut it = concat.iter().rev();
while let Some(x) = it.next() {
props.look_set_suffix.set_union(x.properties().look_set_suffix());
+ props
+ .look_set_suffix_any
+ .set_union(x.properties().look_set_suffix_any());
if x.properties().maximum_len().map_or(true, |x| x > 0) {
break;
}
diff --git a/src/exec.rs b/src/exec.rs
--- a/src/exec.rs
+++ b/src/exec.rs
@@ -274,18 +274,18 @@ impl ExecBuilder {
// prefixes, so disable them.
prefixes = None;
} else if is_set
- && props.look_set_prefix().contains(Look::Start)
+ && props.look_set_prefix_any().contains(Look::Start)
{
// Regex sets with anchors do not go well with literal
// optimizations.
prefixes = None;
- } else if props.look_set_prefix().contains_word() {
+ } else if props.look_set_prefix_any().contains_word() {
// The new literal extractor ignores look-around while
// the old one refused to extract prefixes from regexes
// that began with a \b. These old creaky regex internals
// can't deal with it, so we drop it.
prefixes = None;
- } else if props.look_set().contains(Look::StartLF) {
+ } else if props.look_set_prefix_any().contains(Look::StartLF) {
// Similar to the reasoning for word boundaries, this old
// regex engine can't handle literal prefixes with '(?m:^)'
// at the beginning of a regex.
diff --git a/src/exec.rs b/src/exec.rs
--- a/src/exec.rs
+++ b/src/exec.rs
@@ -298,15 +298,16 @@ impl ExecBuilder {
// Partial anchors unfortunately make it hard to use
// suffixes, so disable them.
suffixes = None;
- } else if is_set && props.look_set_suffix().contains(Look::End)
+ } else if is_set
+ && props.look_set_suffix_any().contains(Look::End)
{
// Regex sets with anchors do not go well with literal
// optimizations.
suffixes = None;
- } else if props.look_set_suffix().contains_word() {
+ } else if props.look_set_suffix_any().contains_word() {
// See the prefix case for reasoning here.
suffixes = None;
- } else if props.look_set().contains(Look::EndLF) {
+ } else if props.look_set_suffix_any().contains(Look::EndLF) {
// See the prefix case for reasoning here.
suffixes = None;
}
|
[
"981"
] | 984
|
Regex matching changed in 1.8.0
#### What version of regex are you using?
This appears to be a bug in 1.8.0.
#### Describe the bug at a high level.
Something in the regex matching changed in 1.8.0. I suspect it might be a bug in the handling of word boundaries, `\b`.
#### What are the steps to reproduce the behavior?
```rust
use regex::Regex;
fn main() {
let re = Regex::new(r#"(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))"#).unwrap();
for s in ["ubi-Darwin-x86_64.tar.gz", "ubi-Windows-x86_64.zip"] {
println!("{s} =~ /{}/ => {}", re, re.is_match(s));
}
}
```
With `regex` 1.8.0 the given regex will match both strings, which is surprising. The "win" in "Darwin" is not preceded by a word boundary or underscore. In 1.7.3, this matches only the second string, as I'd expect.
#### What is the actual behavior?
With 1.8.0:
```
$> cargo run
Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Running `target/debug/regex-issue`
ubi-Darwin-x86_64.tar.gz =~ /(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))/ => true
ubi-Windows-x86_64.zip =~ /(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))/ => true
```
With 1.7.3:
```
$> cargo run
Finished dev [unoptimized + debuginfo] target(s) in 0.00s
Running `target/debug/regex-issue`
ubi-Darwin-x86_64.tar.gz =~ /(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))/ => false
ubi-Windows-x86_64.zip =~ /(?i:(?:\b|_)win(?:32|64|dows)?(?:\b|_))/ => true
```
#### What is the expected behavior?
I expect this to work the way it does in 1.7.3.
|
1.8
|
93316a3b1adc43cc12fab6c73a59f646658cd984
|
d555d6122d1d1a354c45361d029571413beca8ef
|
[
"regression::regression_bad_word_boundary"
] |
[
"compile::tests::byte_classes",
"compile::tests::full_byte_classes",
"dfa::tests::prop_read_write_u32",
"dfa::tests::prop_read_write_i32",
"expand::tests::find_cap_ref1",
"expand::tests::find_cap_ref10",
"expand::tests::find_cap_ref11",
"exec::test::uppercut_s_backtracking_bytes_default_bytes_mismatch",
"exec::test::unicode_lit_star_backtracking_utf8bytes_default_utf8bytes_mismatch",
"expand::tests::find_cap_ref12",
"expand::tests::find_cap_ref13",
"expand::tests::find_cap_ref14",
"expand::tests::find_cap_ref15",
"expand::tests::find_cap_ref16",
"expand::tests::find_cap_ref17",
"expand::tests::find_cap_ref18",
"expand::tests::find_cap_ref19",
"expand::tests::find_cap_ref2",
"expand::tests::find_cap_ref20",
"expand::tests::find_cap_ref21",
"expand::tests::find_cap_ref22",
"expand::tests::find_cap_ref23",
"expand::tests::find_cap_ref24",
"expand::tests::find_cap_ref25",
"expand::tests::find_cap_ref26",
"expand::tests::find_cap_ref3",
"expand::tests::find_cap_ref4",
"expand::tests::find_cap_ref5",
"expand::tests::find_cap_ref6",
"expand::tests::find_cap_ref8",
"expand::tests::find_cap_ref7",
"expand::tests::find_cap_ref9",
"pool::tests::oibits",
"prog::test::test_size_of_inst",
"utf8::tests::prop_decode_last_matches_std",
"utf8::tests::prop_decode_matches_std",
"pool::tests::thread_owner_optimization",
"utf8::tests::prop_encode_matches_std",
"utf8::tests::prop_roundtrip",
"utf8::tests::reject_invalid",
"utf8::tests::reject_invalid_last",
"utf8::tests::prop_roundtrip_last",
"dfa::tests::prop_state_encode_decode",
"api::capture_index_lifetime",
"api::capture_index",
"api::capture_index_panic_name - should panic",
"api::capture_index_panic_usize - should panic",
"api::empty_match_captures_iter",
"api::capture_names",
"api::empty_match_find_iter",
"api::capture_misc",
"api::empty_regex_empty_match",
"api::empty_regex_nonempty_match",
"api::expand1",
"api::expand2",
"api::expand10",
"api::expand5",
"api::expand3",
"api::expand4",
"api::expand6",
"api::expand7",
"api::expand9",
"api::expand8",
"api::expand_name1",
"api::expand_name10",
"api::expand_name11",
"api::expand_name2",
"api::expand_name5",
"api::expand_name3",
"api::expand_name4",
"api::expand_name6",
"api::expand_name8",
"api::expand_name7",
"api::expand_name9",
"api::many_zero_length_match",
"api::one_zero_length_match",
"api::many_sequential_zero_length_match",
"api::first_range_starts_with_left_bracket",
"api::quoted_bracket_set",
"api::split3",
"api::split_trailing_blanks",
"api::split_trailing_blank",
"api::split2",
"crazy::lazy_range_many",
"api::split_none",
"api::split_empty",
"crazy::greedy_one_many_many",
"api::range_ends_with_escape",
"api::regex_string",
"crazy::greedy_many_optional",
"api::splitn_above_limit",
"api::splitn_below_limit",
"api::splitn_at_limit",
"api::sub_capture_matches",
"crazy::lazy_range_min_many",
"crazy::match_email_big",
"api::split1",
"api::splitn_trailing_separator",
"api_str::empty_match_unicode_captures_iter",
"crazy::match_empty12",
"api::splitn_zero_limit",
"crazy::match_empty11",
"crazy::match_empty10",
"crazy::match_empty15",
"api::splitn_trailing_blank",
"crazy::match_empty17",
"api_str::match_as_str",
"api_str::empty_match_unicode_find_iter",
"crazy::match_empty2",
"crazy::match_empty1",
"crazy::ascii_literal",
"crazy::match_email",
"crazy::match_empty16",
"crazy::match_empty18",
"crazy::match_empty21",
"crazy::lazy_one_many_many",
"crazy::match_empty6",
"crazy::match_empty9",
"crazy::greedy_one_many_optional",
"crazy::match_email_not",
"crazy::match_empty8",
"crazy::match_empty7",
"api::splitn_empty",
"crazy::match_empty4",
"crazy::greedy_range_min_many",
"crazy::lazy_many_many",
"crazy::lazy_many_optional",
"crazy::greedy_range_many",
"crazy::match_empty13",
"crazy::lazy_one_many_optional",
"crazy::match_empty14",
"crazy::match_start_end_empty_many_1",
"crazy::match_float2",
"crazy::match_start_end_empty_rep_rev",
"crazy::match_start_end_empty_rep",
"crazy::negclass_letters",
"crazy::match_empty5",
"crazy::match_ranges_not",
"crazy::match_empty23",
"crazy::negclass_ascii",
"crazy::match_ranges",
"crazy::match_date3",
"crazy::match_empty19",
"crazy::greedy_many_many",
"crazy::match_empty20",
"crazy::match_empty3",
"flags::match_flag_multi",
"crazy::negclass_letter_space",
"crazy::match_empty22",
"crazy::match_start_end_empty_rev",
"crazy::negclass_space",
"crazy::negclass_space_comma",
"crazy::match_date2",
"crazy::match_float3",
"crazy::match_date1",
"flags::match_flag_case",
"fowler::match_basic_103",
"crazy::match_float4",
"flags::match_flag_ungreedy",
"crazy::match_start_end_empty_many_2",
"crazy::match_float1",
"flags::match_flag_weird_case",
"crazy::match_start_end_empty",
"fowler::match_basic_114",
"crazy::negclass_comma",
"flags::match_flag_case_dotnl",
"fowler::match_basic_110",
"crazy::negclass_comma_space",
"crazy::negclass_letter_comma",
"fowler::match_basic_118",
"flags::match_flag_ungreedy_noop",
"fowler::match_basic_108",
"fowler::match_basic_113",
"fowler::match_basic_119",
"fowler::match_basic_111",
"flags::match_flag_ungreedy_greedy",
"flags::match_flag_case_dotnl_toggle_not",
"flags::match_flag_case_dotnl_toggle",
"fowler::match_basic_10",
"flags::match_flag_case_dotnl_toggle_ok",
"fowler::match_basic_121",
"fowler::match_basic_100",
"fowler::match_basic_131",
"fowler::match_basic_101",
"fowler::match_basic_115",
"flags::match_flag_weird_case_not",
"fowler::match_basic_135",
"fowler::match_basic_104",
"fowler::match_basic_102",
"fowler::match_basic_105",
"fowler::match_basic_106",
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"fowler::match_basic_134",
"fowler::match_basic_112",
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"fowler::match_basic_12",
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"fowler::match_basic_120",
"fowler::match_basic_124",
"fowler::match_basic_109",
"fowler::match_basic_145",
"fowler::match_basic_116",
"fowler::match_basic_149",
"fowler::match_basic_142",
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"fowler::match_basic_141",
"fowler::match_basic_132",
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"fowler::match_basic_166",
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"fowler::match_basic_169",
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"fowler::match_basic_140",
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"fowler::match_basic_163",
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"fowler::match_basic_165",
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"fowler::match_basic_164",
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"fowler::match_basic_154",
"fowler::match_basic_17",
"fowler::match_basic_173",
"fowler::match_basic_162",
"fowler::match_basic_182",
"fowler::match_basic_176",
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"fowler::match_basic_29",
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"fowler::match_basic_90",
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"fowler::match_nullsubexpr_33",
"fowler::match_basic_96",
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"fowler::match_basic_99",
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"fowler::match_repetition_32",
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"multiline::match_multi_2",
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"multiline::match_multi_5",
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"multiline::match_multi_rep_12",
"multiline::match_multi_6",
"multiline::match_multi_1",
"multiline::match_multi_3",
"fowler::match_repetition_67",
"fowler::match_repetition_56",
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"fowler::match_repetition_96",
"fowler::match_repetition_61",
"fowler::match_repetition_79",
"fowler::match_repetition_75",
"fowler::match_repetition_70",
"multiline::match_multi_8",
"fowler::match_repetition_91",
"fowler::match_repetition_98",
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"multiline::match_multi_rep_17",
"fowler::match_repetition_90",
"fowler::match_repetition_93",
"multiline::match_multi_rep_6",
"fowler::match_repetition_81",
"multiline::match_multi_rep_15",
"multiline::match_multi_rep_7",
"noparse::fail_counted_no_close",
"fowler::match_repetition_54",
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"crates_regex::pronghorn_0",
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"crates_regex::rargs_3",
"crates_regex::rargs_4",
"crates_regex::raven_0",
"crates_regex::reaper_0",
"crates_regex::recursive_disassembler_0",
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"crates_regex::regex_cache_1",
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"crates_regex::retdec_0",
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"crates_regex::rexpect_2",
"crates_regex::rfc822_sanitizer_0",
"crates_regex::rfc822_sanitizer_1",
"crates_regex::ripgrep_0",
"crates_regex::riquid_0",
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"crates_regex::rogcat_0",
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"crates_regex::rpi_info_0",
"crates_regex::rpi_info_1",
"crates_regex::rs_jsonpath_0",
"crates_regex::rsure_0",
"crates_regex::rtag_0",
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"crates_regex::rtag_2",
"crates_regex::rtag_3",
"crates_regex::rtow_0",
"crates_regex::ruma_identifiers_0",
"crates_regex::rumblebars_0",
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"crates_regex::rumblebars_2",
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"crates_regex::rural_0",
"crates_regex::rural_1",
"crates_regex::rural_2",
"crates_regex::rural_3",
"crates_regex::rusoto_credential_0",
"crates_regex::rusqbin_0",
"crates_regex::rusqbin_1",
"crates_regex::rust_enum_derive_0",
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"crates_regex::rust_install_0",
"crates_regex::rustache_0",
"crates_regex::rustache_lists_0",
"crates_regex::rustfilt_0",
"crates_regex::rustfmt_0",
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"crates_regex::rustfmt_core_3",
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"crates_regex::rustfmt_nightly_1",
"crates_regex::rustml_0",
"crates_regex::rustml_1",
"crates_regex::rustml_2",
"crates_regex::rustsourcebundler_0",
"crates_regex::rustsourcebundler_1",
"crates_regex::rvsim_0",
"crates_regex::rvue_0",
"crates_regex::rvue_1",
"crates_regex::rvue_2",
"crates_regex::rvue_3",
"crates_regex::rvue_4",
"crates_regex::sabisabi_0",
"crates_regex::sabisabi_1",
"crates_regex::salt_compressor_0",
"crates_regex::sassers_0",
"crates_regex::scarlet_0",
"crates_regex::screenruster_saver_fractal_0",
"crates_regex::sentiment_0",
"crates_regex::sentiment_1",
"crates_regex::sentry_0",
"crates_regex::serde_hjson_0",
"crates_regex::serde_hjson_1",
"crates_regex::serde_hjson_2",
"crates_regex::serde_odbc_0",
"crates_regex::serial_key_0",
"crates_regex::sgf_0",
"crates_regex::sgf_1",
"crates_regex::sgf_2",
"crates_regex::sgf_3",
"crates_regex::shadowsocks_0",
"crates_regex::shellwords_0",
"crates_regex::shellwords_1",
"crates_regex::shkeleton_0",
"crates_regex::shush_0",
"crates_regex::skim_0",
"crates_regex::skim_1",
"crates_regex::skim_10",
"crates_regex::skim_11",
"crates_regex::skim_12",
"crates_regex::skim_2",
"crates_regex::skim_3",
"crates_regex::skim_4",
"crates_regex::skim_5",
"crates_regex::skim_6",
"crates_regex::skim_7",
"crates_regex::skim_8",
"crates_regex::skim_9",
"crates_regex::slippy_map_tiles_0",
"crates_regex::slippy_map_tiles_1",
"crates_regex::slippy_map_tiles_2",
"crates_regex::smtp2go_0",
"crates_regex::sonos_0",
"crates_regex::space_email_api_0",
"crates_regex::spaceslugs_0",
"crates_regex::spaceslugs_1",
"crates_regex::spaceslugs_2",
"crates_regex::spaceslugs_3",
"crates_regex::split_aud_0",
"crates_regex::split_aud_1",
"crates_regex::spotrust_0",
"crates_regex::spreadsheet_textconv_0",
"crates_regex::spreadsheet_textconv_1",
"crates_regex::spreadsheet_textconv_2",
"crates_regex::ssb_common_0",
"crates_regex::ssb_common_1",
"crates_regex::ssb_common_2",
"crates_regex::stache_0",
"crates_regex::steamid_ng_0",
"crates_regex::steamid_ng_1",
"crates_regex::sterling_0",
"crates_regex::strscan_0",
"crates_regex::strscan_1",
"crates_regex::strscan_2",
"crates_regex::strscan_3",
"crates_regex::strscan_4",
"crates_regex::strukt_0",
"crates_regex::substudy_0",
"crates_regex::substudy_1",
"crates_regex::substudy_2",
"crates_regex::substudy_3",
"crates_regex::substudy_4",
"crates_regex::svgrep_0",
"crates_regex::symbolic_debuginfo_0",
"crates_regex::symbolic_minidump_0",
"crates_regex::systemfd_0",
"crates_regex::td_client_0",
"crates_regex::teensy_0",
"crates_regex::telescreen_0",
"crates_regex::tempus_fugit_0",
"crates_regex::termimage_0",
"crates_regex::thieves_cant_0",
"crates_regex::thruster_cli_0",
"crates_regex::tight_0",
"crates_regex::tight_1",
"crates_regex::timespan_0",
"crates_regex::timespan_2",
"crates_regex::timespan_1",
"crates_regex::timespan_3",
"crates_regex::timespan_4",
"crates_regex::timmy_0",
"crates_regex::timmy_1",
"crates_regex::timmy_2",
"crates_regex::timmy_3",
"crates_regex::timmy_4",
"crates_regex::tin_drummer_0",
"crates_regex::tin_drummer_1",
"crates_regex::tin_drummer_2",
"crates_regex::tin_drummer_3",
"crates_regex::tin_drummer_4",
"crates_regex::tin_drummer_5",
"crates_regex::tin_drummer_6",
"crates_regex::tin_drummer_7",
"crates_regex::tin_summer_0",
"crates_regex::tinfo_0",
"crates_regex::tinfo_1",
"crates_regex::titlecase_0",
"crates_regex::tk_carbon_0",
"crates_regex::tk_carbon_1",
"crates_regex::todo_txt_0",
"crates_regex::toml_query_0",
"crates_regex::tsm_sys_0",
"crates_regex::tweetr_0",
"crates_regex::ubiquity_0",
"crates_regex::ubiquity_1",
"crates_regex::ubiquity_2",
"crates_regex::ucd_parse_0",
"crates_regex::ultrastar_txt_0",
"crates_regex::ultrastar_txt_1",
"crates_regex::ultrastar_txt_2",
"crates_regex::ultrastar_txt_3",
"crates_regex::ultrastar_txt_4",
"crates_regex::unicode_names2_macros_0",
"crates_regex::unidiff_0",
"crates_regex::unidiff_1",
"crates_regex::unidiff_2",
"crates_regex::unidiff_3",
"crates_regex::upm_lib_0",
"crates_regex::urdf_rs_0",
"crates_regex::uritemplate_0",
"crates_regex::url_match_0",
"crates_regex::url_match_1",
"crates_regex::validator_derive_0",
"crates_regex::validator_derive_1",
"crates_regex::validator_derive_2",
"crates_regex::vat_0",
"crates_regex::vat_1",
"crates_regex::vat_10",
"crates_regex::vat_11",
"crates_regex::vat_12",
"crates_regex::vat_13",
"crates_regex::vat_14",
"crates_regex::vat_15",
"crates_regex::vat_16",
"crates_regex::vat_17",
"crates_regex::vat_18",
"crates_regex::vat_19",
"crates_regex::vat_2",
"crates_regex::vat_20",
"crates_regex::vat_21",
"crates_regex::vat_22",
"crates_regex::vat_23",
"crates_regex::vat_24",
"crates_regex::vat_25",
"crates_regex::vat_26",
"crates_regex::vat_27",
"crates_regex::vat_28",
"crates_regex::vat_29",
"crates_regex::vat_3",
"crates_regex::vat_30",
"crates_regex::vat_31",
"crates_regex::vat_32",
"crates_regex::vat_4",
"crates_regex::vat_5",
"crates_regex::vat_6",
"crates_regex::vat_7",
"crates_regex::vat_8",
"crates_regex::vat_9",
"crates_regex::verex_0",
"crates_regex::verilog_0",
"crates_regex::victoria_dom_0",
"crates_regex::vobsub_0",
"crates_regex::voidmap_0",
"crates_regex::voidmap_1",
"crates_regex::voidmap_10",
"crates_regex::voidmap_11",
"crates_regex::voidmap_12",
"crates_regex::voidmap_13",
"crates_regex::voidmap_14",
"crates_regex::voidmap_15",
"crates_regex::voidmap_16",
"crates_regex::voidmap_17",
"crates_regex::voidmap_18",
"crates_regex::voidmap_19",
"crates_regex::voidmap_2",
"crates_regex::voidmap_3",
"crates_regex::voidmap_4",
"crates_regex::voidmap_5",
"crates_regex::voidmap_6",
"crates_regex::voidmap_7",
"crates_regex::voidmap_8",
"crates_regex::voidmap_9",
"crates_regex::vterm_sys_0",
"crates_regex::waltz_0",
"crates_regex::warheadhateus_0",
"crates_regex::warheadhateus_1",
"crates_regex::warheadhateus_2",
"crates_regex::warheadhateus_3",
"crates_regex::weave_0",
"crates_regex::webgl_generator_0",
"crates_regex::webgl_generator_1",
"crates_regex::webscale_0",
"crates_regex::weld_0",
"crates_regex::weld_1",
"crates_regex::weld_10",
"crates_regex::weld_2",
"crates_regex::weld_3",
"crates_regex::weld_4",
"crates_regex::weld_5",
"crates_regex::weld_6",
"crates_regex::weld_7",
"crates_regex::weld_8",
"crates_regex::weld_9",
"crates_regex::wemo_0",
"crates_regex::wifiscanner_0",
"crates_regex::wifiscanner_1",
"crates_regex::wifiscanner_2",
"crates_regex::wikibase_0",
"crates_regex::woothee_0",
"crates_regex::woothee_1",
"crates_regex::woothee_10",
"crates_regex::woothee_11",
"crates_regex::woothee_12",
"crates_regex::woothee_13",
"crates_regex::woothee_14",
"crates_regex::woothee_15",
"crates_regex::woothee_16",
"crates_regex::woothee_17",
"crates_regex::woothee_18",
"crates_regex::woothee_19",
"crates_regex::woothee_2",
"crates_regex::woothee_20",
"crates_regex::woothee_21",
"crates_regex::woothee_22",
"crates_regex::woothee_23",
"crates_regex::woothee_24",
"crates_regex::woothee_25",
"crates_regex::woothee_26",
"crates_regex::woothee_27",
"crates_regex::woothee_28",
"crates_regex::woothee_29",
"crates_regex::woothee_3",
"crates_regex::woothee_30",
"crates_regex::woothee_31",
"crates_regex::woothee_32",
"crates_regex::woothee_33",
"crates_regex::woothee_34",
"crates_regex::woothee_35",
"crates_regex::woothee_36",
"crates_regex::woothee_37",
"crates_regex::woothee_38",
"crates_regex::woothee_39",
"crates_regex::woothee_4",
"crates_regex::woothee_40",
"crates_regex::woothee_41",
"crates_regex::woothee_42",
"crates_regex::woothee_43",
"crates_regex::woothee_5",
"crates_regex::woothee_6",
"crates_regex::woothee_7",
"crates_regex::woothee_8",
"crates_regex::woothee_9",
"crates_regex::word_replace_0",
"crates_regex::wordcount_0",
"crates_regex::yaml_0",
"crates_regex::yaml_1",
"crates_regex::yaml_10",
"crates_regex::yaml_2",
"crates_regex::yaml_3",
"crates_regex::yaml_4",
"crates_regex::yaml_5",
"crates_regex::yaml_6",
"crates_regex::yaml_7",
"crates_regex::yaml_8",
"crates_regex::yaml_9",
"crates_regex::yobot_0",
"crates_regex::yobot_1",
"crates_regex::yobot_2",
"crates_regex::yobot_3",
"crates_regex::youtube_downloader_0",
"crates_regex::yubibomb_0",
"allow_octal",
"big_empty_reps_chain_regex_fails",
"big_empty_regex_fails",
"big_zero_reps_regex_fails",
"disallow_octal",
"disallow_non_utf8",
"misc::prefix_literal_nomatch",
"misc::prefix_literal_match",
"misc::terminates",
"misc::one_literal_edge",
"oibits",
"regex_is_reasonably_small",
"oibits_regression",
"regression_i969",
"regression_fuzz::empty_any_errors_no_panic",
"regression_fuzz::todo",
"shortest_match::t02",
"shortest_match::t01",
"empty_alt_regex_fails",
"regression_fuzz::big_regex_fails_to_compile"
] |
[] |
[] |
|
rust-lang/regex
|
2023-03-24T23:57:50Z
|
rust-lang__regex-970
| "diff --git a/tests/test_default.rs b/tests/test_default.rs\n--- a/tests/test_default.rs\n+++ b/test(...TRUNCATED)
| "diff --git a/src/exec.rs b/src/exec.rs\n--- a/src/exec.rs\n+++ b/src/exec.rs\n@@ -459,7 +459,7 @@ i(...TRUNCATED)
|
[
"969"
] | 970
| "Index out of bounds panic when using `shortest_match_at`, `is_match_at` with end-anchored regex\n##(...TRUNCATED)
|
1.7
|
32fed9429eafba0ae92a64b01796a0c5a75b88c8
|
fd1d95b1bd15db8a31efa82585a1842ad34091f1
|
[
"regression_i969"
] | ["compile::tests::byte_classes","compile::tests::full_byte_classes","dfa::tests::prop_read_write_i32(...TRUNCATED)
|
[] |
[] |
|
rust-lang/regex
|
2022-07-05T16:35:20Z
|
rust-lang__regex-879
| "diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml\n--- a/.github/workflows/ci.yml\n+(...TRUNCATED)
| "\nIf this was really added in Unicode 14, then this makes sense since I don't believe the regex cra(...TRUNCATED)
| "diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml\n--- a/.github/workflows/ci.yml\n+(...TRUNCATED)
|
[
"878",
"877"
] | 879
| "Update Unicode tables to version 14.0\nThis PR is related to #877. \r\n\r\nWhile working on the nex(...TRUNCATED)
|
1.5
|
c01b6338046f495ad875ecf3dfa5e9b39eada4ea
|
5e98788947b28da3da27f4e156b877eb0cb1593e
| ["unicode::uni_vithkuqi_literal_lower","unicode::uni_vithkuqi_word_lower","unicode::uni_vithkuqi_wor(...TRUNCATED)
| ["compile::tests::byte_classes","compile::tests::full_byte_classes","dfa::tests::prop_read_write_i32(...TRUNCATED)
|
[] |
[] |
rust-lang/regex
|
2022-05-20T17:32:56Z
|
rust-lang__regex-863
| "diff --git a/regex-syntax/src/hir/literal/mod.rs b/regex-syntax/src/hir/literal/mod.rs\n--- a/regex(...TRUNCATED)
| "Wow. Yes, this is a bug. I am amazed that this isn't captured by the test suite. Non-greediness its(...TRUNCATED)
| "diff --git a/CHANGELOG.md b/CHANGELOG.md\n--- a/CHANGELOG.md\n+++ b/CHANGELOG.md\n@@ -6,6 +6,8 @@ T(...TRUNCATED)
|
[
"862"
] | 863
| "Unexpected behavior of ungreedy ?? operator\n#### What version of regex are you using?\r\n\r\n1.5.5(...TRUNCATED)
|
1.5
|
88a2a62d861d189faae539990f63cb9cf195bd8c
|
5e98788947b28da3da27f4e156b877eb0cb1593e
|
[
"regression::non_greedy_question_literal"
] | ["compile::tests::byte_classes","compile::tests::full_byte_classes","dfa::tests::prop_read_write_u32(...TRUNCATED)
|
[] |
[] |
rust-lang/regex
|
2021-03-14T18:23:50Z
|
rust-lang__regex-752
| "diff --git a/tests/test_default.rs b/tests/test_default.rs\n--- a/tests/test_default.rs\n+++ b/test(...TRUNCATED)
|
This is a dupe of #750.
| "diff --git a/CHANGELOG.md b/CHANGELOG.md\n--- a/CHANGELOG.md\n+++ b/CHANGELOG.md\n@@ -1,3 +1,17 @@\(...TRUNCATED)
|
[
"751"
] | 752
| "1.44 triggers a stack overflow on Windows\n#### What version of regex are you using?\r\n\r\n1.44\r\(...TRUNCATED)
|
1.4
|
951b8b93bbb669e8aa192031a7b66beaa4ea5780
|
951b8b93bbb669e8aa192031a7b66beaa4ea5780
|
[
"regex_is_reasonably_small"
] | ["src/lib.rs - (line 26)","src/lib.rs - (line 69)","src/re_bytes.rs - re_bytes::Replacer::by_ref (li(...TRUNCATED)
|
[] |
[] |
rust-lang/regex
|
2020-01-30T22:43:04Z
|
rust-lang__regex-641
| "diff --git a/regex-syntax/src/hir/translate.rs b/regex-syntax/src/hir/translate.rs\n--- a/regex-syn(...TRUNCATED)
| "diff --git a/regex-syntax/src/hir/translate.rs b/regex-syntax/src/hir/translate.rs\n--- a/regex-syn(...TRUNCATED)
|
[
"640"
] | 641
| "Flag effect remains active outside of current group\nThe [`regex` documentation](https://docs.rs/re(...TRUNCATED)
|
1.3
|
2a8ddd0b36095d3810f3556627cd59c5014edd01
|
96456ddcc91d8d2e98d4b6f32ebd052d879d6a67
|
[
"regression::flags_are_unset"
] | ["src/lib.rs - (line 26)","src/lib.rs - (line 69)","src/re_bytes.rs - re_bytes::Replacer::by_ref (li(...TRUNCATED)
|
[] |
[] |
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