idx
int64
0
1.68k
query
stringlengths
5
18
tree_length
int64
6
14
depth
int64
3
3
minimized_regex
stringlengths
4
15
minimized_tree_length
int64
5
12
minimized_depth
int64
2
6
equivalent_regex
stringlengths
5
19
not_equivalent_regex
stringlengths
5
18
positive_example
stringlengths
0
8
negative_example
stringlengths
0
8
900
(a+a+d*)(b?+b+c)
13
3
(a+d*)(b+c)?
9
3
(a+d*)(b+c)?+d?b
(a?+a+a)(b+d+c*)
ddb
dddab
901
(b?+c?)(d*+d+d)
12
3
(b+c)?d*
7
3
(b+(c+b?d)d*)?
(b+c)(b+d)c**
dddd
ddddddc
902
(aa+c?)d*d?
12
3
(c+aa)?d*
9
4
cd+(c+aa)?d*
a?*(c+d+d?)
caddd
903
(a+b)*+bb+bc
12
3
bc+(a+b)*
8
3
b(c+bab)+(a+b)*
(a+b*)(c+c)*
abaa
aabcaa
904
(b*+b*)d*?
9
3
b*d*
5
2
b(d+b*b)+b*d*
(b*+d?)(d+d)*
bbdddd
bbdddbd
905
(a+a+a+b)(b+c)*
12
3
(a+b)(b+c)*
8
3
ac?+(a+b)(b+c)*
(b+c?)(a+c)*
bcccbbb
abbcabcc
906
(a*+c*)a?c*
11
3
(c*a+a*)c*
10
4
((a*+c*)a)?c*
a?*aac*
aaacccc
acccaccc
907
a*(a+b)+a*bb
13
3
a*(a+bb?)
9
4
(ab+a*(a+b))b?
a*(b+b)b*b*
aaabb
abaab
908
b?cc+(c+d)*
11
3
bcc+(c+d)*
10
3
(bc+dd)c+(c+d)*
(b*+b?)(b+d)c*
dddcdccd
dddbccc
909
(b?+c?)(c+c)d*
12
3
(b+c)?cd*
9
4
(b+c)?c(dd)*d?
(bd+c+d)(d*+d+d)
ccdddd
dbcddddd
910
(a+c+c*)d**
10
3
(a+c*)d*
7
3
add+(a+c*)d*
(a+c)*+(a+c)d?
cc
cccdddc
911
a+c+ad+(a+d)*
12
3
c+(a+d)*
6
3
c+(a*d)*+(d*a)*
(a*+c+c)(a?+a+d)
ddddddad
caddaa
912
a*+a+a+c*(c+d)
13
3
c*d?+a*
8
3
cc+c*(c+d)+a*
(a*+d*)(c*+c?)
ccd
accccccd
913
da?a*c*
10
3
da*c*
7
3
d(a*c*+(ac)?c)
(a+a*)(c+d)(c+d)
dcccc
cdaacc
914
(a?+c+c)b*b*
12
3
(a+c)?b*
7
3
(ab+(a+c)?b*)b?
(ab+a+c)*
cbbbb
bbbbcbbb
915
(a?+b+b)b*d*
12
3
a?b*d*
8
3
(a+b)?(dd+b*d*)
(a*+b+d)d*d?
abd
bbaddd
916
a+d+a+d+c*d*
13
3
a+c*d*
7
3
a+(c+(ccc?)*)d*
a*c?+d*+d*
ccddd
cdccccc
917
(a+b+b*)(b+b+c*)
13
3
(a+b*)(b+c*)
9
3
ab?+(a+b*)c*
a*c*+b+b+bc
bbb
bcbbcc
918
a*c*+aaac
13
3
a*c*
5
2
((aaa)?c+a*)c*
a*aa(a?+c*)
ac
acccccca
919
(b+b)cd+(c+d)*
12
3
bcd+(c+d)*
10
3
(bc+cd)d+(c+d)*
b*c?(c+d)*
dccddcd
cdddcbdc
920
(a?+a+a)(a+d+b*)
13
3
a?(a+d+b*)
9
3
(a?(a+d+b*b))?
(a*+d?)(b*+b+d)
bbbbbbb
bbbbd
921
(c+a+d)d*d*
11
3
(a+c+d)d*
8
3
(a+c)d*+(a+d*)d
dc*(a*+cc)
dddddddd
cdddcddd
922
(a+c+d*)c*d?
12
3
(a+d*)c*d?
10
4
(a+d*)(cc+c*d?)
(a+c+dd)(d+d)*
dddddccd
ddddacc
923
(a*+a*)(b+c)(c+d)
13
3
a*(b+c)(c+d)
10
3
(ac+a*(b+c))(c+d)
a*(c+d)(b+b+b+c)
cd
acacd
924
d+b+d+b*d*
11
3
b*d*
5
2
(bb+(d+b*b)d*)?
b*d*+d?+d?
bbbbbb
bdbbdddd
925
(a+a*)(a+c+d+d)
12
3
a*(a+c+d)
8
3
aad+a*(a+c+d)
(a+c)c*(c+d)*
aaaaaaad
daaad
926
(a+b)(b+d)(d+d)*
12
3
(a+b)(b+d)d*
10
3
(bb+(a+b)(b+d))d*
(a+b)d*+(b+d)*
addd
abddddb
927
(b+b+b+d)(b+d)d*
14
3
(b+d)(b+d)d*
10
3
(bb+(b+d)(b+d))d*
(b*+d?)(b*+d?)
bb
bdbdd
928
(d+c*)(b+b+d?)
11
3
(d+c*)(b+d)?
9
3
d(b+d)+c*(b+d)?
(b?+c?)(d*+d+d)
cccccccb
ccccbc
929
a*b*+a?+a?
11
3
a*b*
5
2
(aaa*)*a?b*
ba*b*b?
aaabbb
bbbba
930
bb*a*(c+c)
11
3
bb*a*c
9
4
b(bb?+b*a*)c
(b+c?)(a*+a*)
bbbaac
bbbaaaa
931
(a*+c*)(a+a)*
10
3
c*a*
5
2
c?(c*aa*)?+c*
(a?+c?)(a+a)c*
caaa
aaaaacaa
932
a*d?b*(b+b)
12
3
a*d?b*b
10
4
(aa+a*d?)b*b
(a+a+b)b*d*
ab
aadabb
933
(d+a?)a*b?
10
3
d?a*b?
8
3
(a+d)?(a*(a+b))?
b*(aa+a+d)
dab
aaaadaaa
934
b+a+c+a*c*
11
3
b+a*c*
7
3
b+((aa)?c+a*)c*
cc*(a+c+b*)
cccccccc
accaccc
935
(b+c+c?)(c*+c+d)
13
3
(b+c)?(d+c*)
9
3
(b+c)d?+b?(d+c*)
b*d*+c+c+dd
cc
dcccc
936
(aa+c?)(b*+bb)
13
3
(c+aa)?b*
9
4
((c+aa+c?b)b*)?
acb*(b*+c*)
cbbbbbb
aabbcb
937
(a*+bd)*
7
3
(a+bd)*
6
3
a*((aa+bd)a?)*
(a+a)?+(b+d)*
abdbda
adbdbd
938
d+a+c+(a+c)*
10
3
d+(a+c)*
6
3
(d+a*(a+c(a+c)*))?
(a+d)*(cd+d+d)
accaccc
cdaccca
939
(a?+b*)(b?+c?)
11
3
(a+b*)(b+c)?
9
3
(a+b*)(b+c)?+b*c
a*+ab+(a+c)*
ac
bbbbab
940
a?*+(a+d)c*
10
3
(a+d)c*+a*
9
3
(a+d)c*+a*
a?c*(d+d)?
accccccc
acaa
941
a*+cc+c*d?
12
3
c*d?+a*
8
3
c*(d+c(cd)?)+a*
cd*(a+c+c*)
ccccccc
cccdcd
942
a*b*(b?+cd)
12
3
a*b*(cd)?
10
3
a*(cd+b*(cd)?)
(a+b)b*b*(c+d)
abbbbbcd
bbc
943
a*+bd+(a+b)d*
13
3
(a+b)d*+a*
9
3
bd?+(a+b)d*+a*
a*(b+b)(d*+dd)
aaa
abd
944
(a?+c*)b*d*
11
3
(a+c*)b*d*
10
4
(bb+(a+c*)b*)d*
(a+b+d)(c+c)*
dddd
abbbcbbb
945
b+b+d+(c+d)*
10
3
b+(c+d)*
6
3
b+d?(cd*+dd)*
bb+c*+(b+d)*
ccddccc
ddccccbc
946
(ac+c?)c*d?
12
3
(ac)?c*d?
10
4
(ac)?(cd+c*d?)
c+cd+(a+d)*
acccd
dacc
947
b*cd(d+d)*
11
3
b*cd*d
9
4
(b*cd*+b?c)d
(bc+c*)d*d?
bbbbcd
bbdddddd
948
(b*+b?)(c*+d?)
11
3
b*(d+c*)
7
3
b*(d+bcc?+c*)
(b+c)c*+(b+d)c*
bccc
dbbcccc
949
(a+d)c*d??
10
3
(a+d)c*d?
9
3
(a+d)(d+c*(cd)?)
(c+a+d)d*d*
acc
dcccda
950
a*(b+c)(c*+cc)
13
3
a*(b+c)c*
9
3
((b+a*)c+a*b)c*
a*?(b?+cc)
abcccc
aaacb
951
(a+d+dd)c**
11
3
(a+dd?)c*
9
4
dd?+(a+d?d)c*
(a+d+cd)(d+d)*
acccccc
dcdc
952
a*?b*(b+b)
10
3
a*b*b
7
3
(a?(a+b)+a*)b*b
(b+bb)(a+b)*
aaaaabb
aaaabaab
953
(c+a*)(a?+b+b)
11
3
(c+a*)(a+b)?
9
3
ca+(c+a*)b?+a*
(a+b)*+c?+c+c
ca
aaabc
954
b*(c+d)+c*+d?
12
3
b*(c+d)+c*
9
3
b*(c+d)+c*
(b*+b?)(b+c)(c+d)
bbbbbd
cccbc
955
a+c+c+d+(a+d)*
12
3
c+(a+d)*
6
3
c+((d?a)*d)*a*
c*(a*+a+d)
aaddaaad
dcadadaa
956
(a+b+a+c)(b*+b*)
13
3
(a+b+c)b*
8
3
(a+c+a?b)b*
a*a?(b*+c*)
abbbbbbb
cbbbba
957
a*(b+b)+b?d*
12
3
a*b+b?d*
10
3
bd+a*b+b?d*
(b+a+d)(b+b*)
bddd
dddad
958
db*(c*+c?)
10
3
db*c*
7
3
db*((bc+c*)c)?
b+bd+(b+c)*
dbbc
dbbcbb
959
a+d+cd+(b+d)*
12
3
a+cd+(b+d)*
10
3
a+(c+d*)d+(b+d)*
(a+b)(c+d)(d*+d?)
dbdbbbbd
bcddbbb
960
b*(c+c+d?)
9
3
b*(c+d)?
7
3
(b*(b+c+d)+b?c)?
(c+c*)(b*+cd)
bbc
dbd
961
(b?+b+d)c*d*
12
3
(b+d)?c*d*
10
4
(b+d)?(cc+c*d*)
(b+c)d?c?*
cccccddd
dccddcd
962
(aa+b?)d?*
10
3
(b+aa)?d*
9
4
(b+aa+b?d)?d*
(a*+b?)a?d*
aaddddd
ddadd
963
a*d*+a+a+bb
13
3
bb+a*d*
9
3
bb+dd?+a*d*
(a?+b+d)d*?
d
aadaaaaa
964
c+b*+(c+d)*
9
3
b*+(c+d)*
7
3
c*(d(cd?)*)*+b*
b?d?(c*+cc)
cccddccd
dcdcbcdd
965
a*c?+c*+c*
11
3
a*c?+c*
8
3
(ccc*+a*(a+c))?
(a*+a+a)c*(c+c)
ccc
caaaaaaa
966
a?b*(bd+d?)
12
3
a?b*d?
8
3
(a+a?bb*)?d?
(d+b+b)(a+d)d*
abbbbd
abdbb
967
(a*+a+d)(a?+b*)
12
3
(d+a*)(a+b*)
9
3
d(a+b*)+(d+a*)b*
a*(a+d)+(b+d)*
aabb
bbbbab
968
(a?+c+d)d*d?
12
3
(a+c)?d*
7
3
(a+d*)d+(a+c)?d*
(a*+a*)(a+c+ad)
cdddd
ccdddddd
969
a?c*+a+a+b*
12
3
a?c*+b*
8
3
ac+a?c*+b*
(ab+b?)(c*+c*)
bbb
bacccccc
970
a**(bd)*
8
3
a*(bd)*
7
3
aa?+a*(bd)*
(d+d*)a*(a+b)
aaabd
dabdbd
971
(a*+b+c)(d+d)*
11
3
(b+c+a*)d*
9
3
bd?+(b+c+a*)d*
a?c*(bd+d+d)
add
aadaadd
972
a?*b*(d+d)
10
3
a*b*d
7
3
a?(ab+a*b*)d
(a+b)dd+(a+d)*
ad
bdbbbd
973
adc*(d*+d*)
12
3
adc*d*
9
3
adc*(cd?+d*)
(a+a)(c+c)c*d*
add
acdccddd
974
aa*a?b*
10
3
aa*b*
7
3
aa*((a+b)b*)?
ba*b?*
aaabbbbb
aaabaaa
975
(a+d)c?(c+d)*
11
3
(a+d)(c+d)*
8
3
(a+d)(c+d)*
(a+c)*d*d?
accdcccd
acdca
976
(a+d)b*(c?+c?)
12
3
(a+d)b*c?
9
3
db*+(a+d)b*c?
(a*+a?)(b+d)c?
db
dabbbbc
977
d?+a*c*
8
3
d+a*c*
7
3
d+a*(c+(ccc?)*)
(a?+c+c)c*d?
caccccc
978
(b*+c+c)(bc+c*)
13
3
(c+b*)(bc+c*)
11
3
(c+b*)((b+c)?c+c*)
bc*(c+b*)
bbcccccc
bbcbbc
979
b?+d+d+(c+d)*
11
3
b+(c+d)*
6
3
b+c*+(c*dc*)*
(b*+b*)(b+c+cd)
ddddccdd
ccddcbc
980
(b*+c+c)(b*+c+c)
13
3
(c+b*)(c+b*)
9
3
cb?+(c+b*)(c+b*)
b?(b+c)c?*
bc
bbbbbcbb
981
(a*+c+c)(aa+c*)
13
3
(c+a*)(aa+c*)
11
3
a*c*+c?(c+aa)
(c+c*)a?*
a
accccac
982
a*(c+c)(a+a+d*)
13
3
a*c(a+d*)
9
3
ac+a*c(a+d*)
(a+c)*+a+d+ad
cdddd
dddd
983
(a+c+b?)(d*+dd)
13
3
(a+b+c)?d*
9
4
a+(b+c+ad)?d*
(a+b)c*c?d?
add
bddddddb
984
(a+d+b*)b*c?
12
3
(a+d)?b*c?
10
4
(ab+(a+d)?b*)c?
(a+c)(b+d)c*c?
abc
bbbbbbdb
985
a*a?b?d*
11
3
a*b?d*
8
3
(aad+a*b?)d*
(ab+ad)*
aaaddd
adbdd
986
a*c*+adc*
12
3
(ad+a*)c*
9
3
ad+(ad?+a*)c*
(a+a)*(ac+d?)
aaaaaaa
adaaaaac
987
(b*+cc)c*(c+d)
13
3
b*c*(c+d)
9
3
b*c*(d+cd?)
b*+cc+c?d*
bbbbccc
bbdbccc
988
(a?+b?)(b*+c+c)
12
3
(a+b)?(c+b*)
9
3
ac?+(a+b)?(c+b*)
(a+b)(a+c)b*b?
bbbbbbb
ababbb
989
(a+a+b*)(b+c+c?)
13
3
(a+b*)(b+c)?
9
3
ac?+(a+b*)(b+c)?
(a+c)c*(b*+cc)
bbbbbbc
bbbbbabb
990
(a+a+c?)b**
10
3
(a+c)?b*
7
3
(a+c)?(b+(bbb*)*)
a*a?(a+b)(a+c)
cbb
bbabbbbb
991
a*(b+b)(d*+dd)
13
3
a*bd*
7
3
a*b(dd)*d?
(a+b*)b*(b+d)
aaaabd
ababddd
992
(b+d*)(b*+c?)
10
3
(b+d*)(c+b*)
9
3
d*(c+b*)+b?c?
(b*+b+d)(b*+c?)
bbbb
dddddbbd
993
(a*+a*)a*c*
11
3
a*c*
5
2
(a*(a+c))?c*+a*
(a*+c?)c*c*
aacccccc
acaccccc
994
(a?+b+c)(c*+c?)
12
3
(a+b)?c*
7
3
(a+b)?c*+(bc)?c
a*c*(a+a+a+b)
bccccccc
bccbcccc
995
(d+b+b)a*(b+c)
12
3
(b+d)a*(b+c)
10
3
(ba+(b+d)a*)(b+c)
ab(c+c)+(a+d)*
daaab
cac
996
(a*+aa)(cd+d*)
13
3
a*(cd+d*)
9
3
ad*+a*(cd+d*)
a+a+a+c+c*d*
addddd
daa
997
(a+a)c*b*?
10
3
ac*b*
7
3
ac*((b+c)b*)?
(b+c?)(a+a+b*)
ab
ababbb
998
a*d*(a+a)d*
12
3
a*d*ad*
10
4
da+a*d*ad*
(a*+d*)a?*
aaddaddd
aadadad
999
(a*+a+d)a?(a+d)
13
3
(da?+a*)(a+d)
11
4
((a+d)a?+a*)(a+d)
d+a*+a*d*
da
adaaaaad