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 |
|---|---|---|---|---|---|---|---|---|---|---|
1,000 | (a*+b+d)c?* | 10 | 3 | (b+d+a*)c* | 9 | 3 | (b+d+(aa)*a?)c* | a*d*+b+d+c+d | aaacccc | dcccdccc |
1,001 | a*(a+d)(a?+d+d) | 13 | 3 | a*d?(a+d) | 9 | 3 | a*(da?+d?(a+d)) | a**+a*d* | d | aaadaaaa |
1,002 | a?b*(a+d+bd) | 13 | 3 | a?b*(a+d) | 9 | 3 | a?(d+b*(a+bd)) | (a?+d?)(a+a)b* | bbbbd | abbad |
1,003 | (a*+b*)b?? | 9 | 3 | a*b?+b* | 8 | 3 | (a*+b*)b?+a?b | a?b*(a?+b+b) | bbbb | aba |
1,004 | a*d?(b+d+d*) | 12 | 3 | a*(d?b+d*) | 10 | 4 | (ad+a*d?)(b+d*) | a?b*(b+d+b+d) | aaaaaaab | aaaaaddb |
1,005 | (a+a)*(b+c)c* | 11 | 3 | a*(b+c)c* | 9 | 3 | a*(b+b?c)c* | (a*+aa)(bb+c*) | aacc | aaaaacca |
1,006 | a*b?+b*b? | 11 | 3 | a*b?+b* | 8 | 3 | (b+aa*)b+a*+b* | aa*a?b* | aaaaab | bbbabb |
1,007 | a*+ac+a*(c+d) | 13 | 3 | a*(c+d)? | 7 | 3 | a(ac)?+a*(c+d)? | (a+c+d*)c*d? | aaaaac | adaaaac |
1,008 | (a+b)d*(c?+c+d) | 13 | 3 | (a+b)d*c? | 9 | 3 | (bd?+(a+b)d*)c? | (a+a)(b+b)+c*d* | add | addbdc |
1,009 | (a?+a+a)(b+d)d* | 13 | 3 | a?(b+d)d* | 9 | 3 | a?((b+d)d*+b?d) | a+d*+(a+b)d* | abdd | addddbd |
1,010 | (a+c)(b+d)c*? | 11 | 3 | (a+c)(b+d)c* | 10 | 3 | ad+(a+c)(b+d)c* | (a+b)(c+d)d?* | ad | adcdcccc |
1,011 | c*d*(d+d+d+d) | 13 | 3 | c*d*d | 7 | 3 | c*(cd)?d*d | (c*+c?)(c+d)(c+d) | ccccddd | ccddc |
1,012 | a?+c*+(a+d)* | 10 | 3 | c*+(a+d)* | 7 | 3 | d*(d+a(a+d)*)+c* | (a+c)*(c*+d+d) | ddddad | addcdada |
1,013 | (a?+c+c)c*d? | 12 | 3 | a?c*d? | 8 | 3 | a+a?c*(c+d)+c* | (a+d)d*+c*+c? | c | adc |
1,014 | (a+d+d)(a+b)b* | 12 | 3 | (a+d)(a+b)b* | 10 | 3 | db+(a+d)(a+b)b* | (a*+d*)(b+b+d*) | abb | aadbbb |
1,015 | (a+b)b*+b*c? | 12 | 3 | ab*+b*c? | 10 | 3 | a+b*c+(ab)?b* | (a*+b+c)(a?+b*) | abbbb | bcbbb |
1,016 | (b+d+d?)(c+c)d* | 13 | 3 | (b+d)?cd* | 9 | 4 | b?c+(b+d)?cd* | b*b*c*cd | cdddddd | d |
1,017 | (a+c)(c+d)(c*+c?) | 13 | 3 | (a+c)(c+d)c* | 10 | 3 | (a+c)(cc+(c+d)c*) | ad*(a+d+c*) | accccccc | cdccac |
1,018 | (a+a)d*c*(d+d) | 13 | 3 | ad*c*d | 9 | 4 | a(d*c*+d?c)d | (a*+aa)(ad+c*) | addcccd | addcad |
1,019 | a*(a+b)+d*+d* | 12 | 3 | a*b?+d* | 8 | 3 | b+a*(ab)?+d* | (a*+b*)(b+d)* | aaaadaa | |
1,020 | b*d*(b?+c*) | 11 | 3 | b*d*(b+c*) | 10 | 3 | b*d*(db?+c*) | (b+d)*(c+d+dd) | bbbbbd | bdbbbbb |
1,021 | bb*+(a+c)b* | 11 | 3 | (a+b+c)b* | 8 | 3 | b+c+(a+(b+c)b)b* | (a+a+c?)b** | abb | aab |
1,022 | b(b+b)b*c* | 11 | 3 | bbb*c* | 9 | 3 | bb((c+b*b)c*)? | b*?+b*c* | bbbbcc | bcccccc |
1,023 | (a+ac)(b+c)* | 10 | 3 | a(b+c)* | 6 | 3 | ac?((b+cc)c*)* | (ab+c?)(b*+b+b) | abbcc | ccccbbbc |
1,024 | (a+b+ad)(b+d)* | 12 | 3 | (a+b)(b+d)* | 8 | 3 | a+(b+a(b+d))(b+d)* | (a+d*)(a?+b+b) | bbbdbdd | bdbbbabb |
1,025 | a*d*+c*+c* | 11 | 3 | a*d*+c* | 8 | 3 | (a*d)?d*+a*+c* | (a+d)c?d*? | aaaaaad | caaadd |
1,026 | (b*+b*)c*(d+d) | 12 | 3 | b*c*d | 7 | 3 | (b(cc)*+b*c*)d | (b?+c?)d*d* | bbcd | bbbcb |
1,027 | (a*+c?)c*c* | 11 | 3 | a*c* | 5 | 2 | (ac+(c+aa*)c*)? | (a*+ac)a*c* | aacccccc | cacccccc |
1,028 | (b+d+c?)(d*+d*) | 12 | 3 | (b+c)?d* | 7 | 3 | c+(b+(b+c)?d)?d* | b*(c+d)+c*+d? | cdddd | bdb |
1,029 | (a+b)dd+(a+d)* | 12 | 3 | bdd+(a+d)* | 10 | 3 | (a+b?d)d+(a+d)* | a?b*(a+a+d+d) | adad | addbda |
1,030 | (a*+a*)(b*+c+c) | 12 | 3 | a*(c+b*) | 7 | 3 | c+a*(a(c+b*)+b*) | (a+b+c*)c** | aaaaaabb | aaabc |
1,031 | cd*(c*+d?) | 10 | 3 | cd*c* | 7 | 3 | c(d*c*+(ccc)*) | (c*+d+d)(dd)* | cccc | dddd |
1,032 | (b+b+d*)(b+c+c*) | 13 | 3 | (b+d*)(b+c*) | 9 | 3 | (b+d*d)(b+c*)+c* | b*+c?+b?d* | dcccccc | dddccbcc |
1,033 | (a+b*)b*(b+d) | 11 | 3 | a?b*(b+d) | 9 | 3 | a?b*(b+d)+b?d | (a+b)(b+d)(d+d)* | bbbd | abbbbba |
1,034 | (a+b)*(b?+d*) | 10 | 3 | (a+b)*d* | 7 | 3 | ba?+(a+b)*d* | (a*+bd)* | baaaaad | aaadbaa |
1,035 | (a+a)?(b+c)d* | 11 | 3 | a?(b+c)d* | 9 | 3 | (ac+a?(b+c))d* | (ac+b?)(d*+d+d) | abdddddd | abdda |
1,036 | a*(c+d)(a+b+b+b) | 14 | 3 | a*(c+d)(a+b) | 10 | 3 | db+a*(c+d)(a+b) | (a+b+ac)c*d* | ca | daaaadb |
1,037 | (b+d)*(c*+cc) | 11 | 3 | (b+d)*c* | 7 | 3 | (b+d)*(dcc)?c* | bc+d*+c*d* | ddddcccc | ddbdbbcb |
1,038 | ab+bb+(b+d)* | 12 | 3 | ab+(b+d)* | 8 | 3 | (a+bdd)b+(b+d)* | (a*+a+d)b*d* | dbbbdbdd | dbbbad |
1,039 | d+b*+c*(c+d) | 11 | 3 | c*d?+b* | 8 | 3 | cc?+c*(c+d)+b* | b*b*(c+d)d* | cc | cccccdb |
1,040 | (b*+dd)(d+d)* | 11 | 3 | b*d* | 5 | 2 | (bb)*(dd+b?d*) | bb*d*? | bbbbd | dddddbdd |
1,041 | b*(a+a)d* | 9 | 3 | b*ad* | 7 | 3 | b*(ad*+bba) | (a+b+b*)b*d? | bbbadd | ddd |
1,042 | a**(ac+b?) | 10 | 3 | a*(b+ac)? | 9 | 4 | ab+a*(b+ac)? | a*b*+a+b+ac | aaaaaaac | aaaaba |
1,043 | c*d*(c?+c+d) | 12 | 3 | c*d*c? | 8 | 3 | dc+c*(d*(c+d))? | c*d?(d?+dd) | cccccdc | ddddcddd |
1,044 | (a+a+b*)(b+c)? | 11 | 3 | (a+b*)(b+c)? | 9 | 3 | (a+b*)(b+c)?+b* | (aa+c?)(b+b)* | bbbbb | abbbc |
1,045 | a+c*+a*(a+d) | 11 | 3 | a*d?+c* | 8 | 3 | aa+a*(a+d)+c* | a*+aa+(c+d)* | cc | aaaadaaa |
1,046 | a**+c*d? | 9 | 3 | c*d?+a* | 8 | 3 | c*d?+(aa)*a? | (d+d*)(ac+c+d) | ccccd | cdccccd |
1,047 | b*(aa+a+d) | 10 | 3 | b*(d+aa?) | 9 | 4 | d+b*(aa?+bd) | (a+b)b*+a+b+d* | bbbba | dbaa |
1,048 | a*(c+d)(b+b)? | 11 | 3 | a*(c+d)b? | 9 | 3 | ac+a*(c+d)b? | (a*+a+d)(b+c)* | cb | abaaad |
1,049 | (a+d)d*+c*+c? | 12 | 3 | a?d*+c* | 8 | 3 | a+((a+d)d)?d*+c* | c*(a+d+ad) | ccccc | addda |
1,050 | (b+d)*(d+d+dd) | 12 | 3 | (b+d)*d | 6 | 3 | (b+d)*d(d?bd)* | b?*d?d? | dbdddbd | bbbbbbb |
1,051 | (a+d*)(b*+b*) | 10 | 3 | (a+d*)b* | 7 | 3 | abb+(a+d*)b* | a?d*(a+b+a+b) | ddbbbb | dddddbd |
1,052 | a*+ab+(b+c)c* | 13 | 3 | ab+b?c*+a* | 12 | 4 | (b+c)c*+a?(b+a*) | a*(b+b)(a+c)? | ccc | bcacccc |
1,053 | (d+a+d)(a+b)d* | 12 | 3 | (a+d)(a+b)d* | 10 | 3 | db+(a+d)(a+b)d* | (a?+a+a)(b+d)d* | dadddd | dadddb |
1,054 | (a+d+c+d)d*d* | 13 | 3 | (a+c+d)d* | 8 | 3 | ad?+(c+a?d)d* | (a+c)d*(a+d+d*) | cddddd | dddda |
1,055 | (a+a)*(ac+d?) | 11 | 3 | a*(d+ac)? | 9 | 4 | ad?+a*(d+ac)? | add*(c*+d+d) | aad | aaacd |
1,056 | a*c?+d*+d* | 11 | 3 | a*c?+d* | 8 | 3 | a*c?+a?a?+d* | a*d*+a+c+a+c | aaaaaaaa | caaaaac |
1,057 | a*(b+b)c*d? | 12 | 3 | a*bc*d? | 10 | 4 | (bc+a*b)c*d? | (a+d)*(b?+c*) | aaaaaaab | bccdcccd |
1,058 | a*(a+d)+b*+bd | 13 | 3 | (b+a*)d?+b* | 10 | 4 | ad+(b+a*)d?+b* | (a+b+bb)b*d* | bbbbbbbb | daaad |
1,059 | a?d?b*? | 9 | 3 | a?d?b* | 8 | 3 | (a+b)b+a?d?b* | (a*+b+b)b*(d+d) | bbbb | dbbdbbb |
1,060 | (b+c?)(a*+d+d) | 11 | 3 | (b+c)?(d+a*) | 9 | 3 | (b+c)?(d+a*)+a* | (ab+a+c)(d*+dd) | baaaaa | bacaaaa |
1,061 | (a+a?)c*(c+d) | 11 | 3 | a?c*(c+d) | 9 | 3 | a?(c*(c+d)+c?c) | a(a+c)+a*d* | accd | ada |
1,062 | (a*+a*)(bb+d?) | 12 | 3 | a*(d+bb)? | 9 | 4 | a*(d+ad?+bb)? | a?b*(b?+dd) | aaaaaa | aababb |
1,063 | (a+b+c+d)d*d* | 13 | 3 | (a+b+c+d)d* | 10 | 4 | (a+b+c+b?d)d* | ab(c+c)+(c+d)* | cdd | cdcddd |
1,064 | a?d*(a+c+c?) | 12 | 3 | a?d*(a+c)? | 10 | 3 | a?(d*(a+c+d))? | (a+a+c*)c*(c+d) | dddddddc | dcddddc |
1,065 | (a?+d*)(c+d+d*) | 12 | 3 | (a+d*)(c+d*) | 9 | 3 | d*c?+a?(c+d*) | (a*+d?)(c?+d?) | dddddddc | cddd |
1,066 | cb*(a*+b*) | 10 | 3 | cb*a* | 7 | 3 | cb*(b(ba)?+a*) | (a+b)(a+c)(c*+c?) | c | cabaaaaa |
1,067 | bb+c?+c*d* | 12 | 3 | bb+c*d* | 9 | 3 | bb+cd?+c*d* | (b*+b*)c*(d+d) | cccccddd | cbccdd |
1,068 | (a+c)c*+(b+c)* | 11 | 3 | (a+(b+c)*)c* | 9 | 4 | (a+(c?(b+cc))*)c* | (b+a+a)b*(b+c) | bccccbbb | abcbbccc |
1,069 | (ac+b?)(d*+d+d) | 13 | 3 | (b+ac)?d* | 9 | 4 | b+(ac+b?d)?d* | (ac+d*)(b*+b+b) | ddddd | acdcdd |
1,070 | a?*(c?+d+d) | 10 | 3 | a*(c+d)? | 7 | 3 | (a+(aa)*)a?(c+d)? | (a+c)c*(c?+d*) | aaaaaaa | aaacd |
1,071 | (c+a+d)(c+c)* | 10 | 3 | (a+c+d)c* | 8 | 3 | c+d+(a+(c+d)c)c* | (a+d+c*)(c*+cc) | accccccc | cccccdc |
1,072 | b*?(b+c)(b+d) | 11 | 3 | b*(b+c)(b+d) | 10 | 3 | b*(cd+(b+c)(b+d)) | (b*+cd)(c*+c+c) | bbbbbbd | bbbbbccd |
1,073 | (a+a+c*)c*(c+d) | 13 | 3 | a?c*(c+d) | 9 | 3 | a?(cd?+c*(c+d)) | (a*+a*)c*cd | cccc | acca |
1,074 | b(a+b)+b*d* | 11 | 3 | ba+b*d* | 9 | 3 | (ba+b*(b+d)d*)? | ab+d*+(a+d)b* | bddd | bbdbbbd |
1,075 | b*b*c*dd | 12 | 3 | b*c*dd | 9 | 4 | (cc+b*c*)dd | (b+d*)c*c? | bbccccdd | bbcccbdd |
1,076 | (b+d+d*)(c+d)? | 11 | 3 | (b+d*)(c+d)? | 9 | 3 | dc?+(b+d*)(c+d)? | (b+b+c+d)d** | bc | ddddcd |
1,077 | (a+a*)(ac+d?) | 11 | 3 | a*(d+ac)? | 9 | 4 | (ac+a*(d+ac?))? | (d+a?)(a*+c?) | ad | acaad |
1,078 | b*d?(c+d+d?) | 12 | 3 | b*(d?(c+d))? | 10 | 4 | b*(c+(b+d)(c+d)?)? | b?(b+d)+(b+c)* | bbbbbdc | bdbbbbbc |
1,079 | (c+b?)a*(b+b) | 11 | 3 | (b+c)?a*b | 9 | 4 | (ba?+(b+c)?a*)b | (a+b+b*)(bc)* | aaaaaab | aacab |
1,080 | b+cd+c*d* | 11 | 3 | b+c*d* | 7 | 3 | b+(c+(cc)*)c?d* | bb+c?+c*d* | cd | ccdddb |
1,081 | (a+b+bd)c?* | 11 | 3 | (a+bd?)c* | 9 | 4 | (a+bd?)(cc)*c? | a+d+b?+c*d* | a | bdcdcc |
1,082 | (a+a*)b*d? | 10 | 3 | a*b*d? | 8 | 3 | (a+b)d+a*b*d? | (a+b)d*b?* | aaaaaaaa | bbad |
1,083 | c*d?(c+d+c+d) | 13 | 3 | c*d?(c+d) | 9 | 3 | (d+c*(cd)?)(c+d) | c*c?+c?d* | ccccc | cccdccd |
1,084 | a*c?(b+b)c* | 12 | 3 | a*c?bc* | 10 | 4 | cb+a*c?bc* | b+a+c+a*c* | aaaaabcc | aabaacb |
1,085 | (b+b)*c*cc | 11 | 3 | b*c*cc | 9 | 4 | (b?c+b*)ccc* | cb*(bc+c*) | cc | cbccc |
1,086 | (a+a+c*)(b+d+d?) | 13 | 3 | (a+c*)(b+d)? | 9 | 3 | ad?+(a+c*)(b+d)? | (a+d+c*)b*b* | b | ccaccccd |
1,087 | (b+d)(c+d)(d+d)* | 12 | 3 | (b+d)(c+d)d* | 10 | 3 | bd+(b+d)(c+d)d* | (b?+d+d)(c*+d+d) | dcddddd | bddbdd |
1,088 | c+dd+(b+d)* | 10 | 3 | c+(b+d)* | 6 | 3 | c+(bd+b*)(db*)* | b*c?+cc+d* | dbbdbbd | ddbcbbbd |
1,089 | (a+d)*+a+d+b? | 11 | 3 | b+(a+d)* | 6 | 3 | b+(a+(a*d)*)(d+a*) | b(a+b)+b*d* | adaaaada | aadabd |
1,090 | (b+d)*+cd+d+d | 12 | 3 | cd+(b+d)* | 8 | 3 | (c+bb)d+(b+d)* | (b*+cc)c*(c+d) | bbdbbd | dddcdbb |
1,091 | (a+b+bd)b*b* | 13 | 3 | (a+bd?)b* | 9 | 4 | (a+bd?)b*+a?b | (d+d*)(a+d+b+b) | b | aba |
1,092 | (a+c+d*)c?? | 10 | 3 | (a+c+d*)c? | 9 | 3 | (a+c+d*)c?+(dd)* | a*aa+(a+d)c* | ddc | dddddda |
1,093 | (ab+c?)(b*+b+b) | 13 | 3 | (c+ab)?b* | 9 | 4 | (c+ab)?b* | (a+a+b*)(b+c)? | abbbbb | abbbc |
1,094 | (a+c)d*(a+d+d+d) | 14 | 3 | (a+c)d*(a+d) | 10 | 3 | (a+c)(dd+d*(a+d)) | a?d*(c+d+d*) | cddd | cadddda |
1,095 | (a*+b+c)(d*+d?) | 12 | 3 | (b+c+a*)d* | 9 | 3 | cd?+(b+c+a*)d* | ad+b?+(c+d)* | aaaaa | aaaaacaa |
1,096 | (d+d*)(ac+c+d) | 12 | 3 | d*(d+a?c) | 9 | 4 | d*(d+a?c) | d+a+a+a*c* | ddddddc | add |
1,097 | b*d*+bc+dd | 13 | 3 | bc+b*d* | 9 | 3 | (bc+(d+bb*)d*)? | (d+b*)(c?+c+d) | bbdddddd | bbbdb |
1,098 | b**(cc+d*) | 10 | 3 | b*(cc+d*) | 9 | 3 | b*(cc+d*) | (b*+b?)(b?+c+d) | b | bdbbbbd |
1,099 | (aa+c?)(d*+d?) | 12 | 3 | (c+aa)?d* | 9 | 4 | ((c+aa+c?d)d*)? | (d+a*)(a+c+c*) | aa | ddddc |
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