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 |
|---|---|---|---|---|---|---|---|---|---|---|
1,300 | b?b?d?* | 9 | 3 | b?b?d* | 8 | 3 | b+(b(b+d))?d* | b*d*+bdd* | bbdd | ddbdddd |
1,301 | (a+d+c*)(c+c)* | 11 | 3 | (a+d)?c* | 7 | 3 | (a+d+(a+d)?cc*)? | (a+c+dd)d*d* | accccc | cccacc |
1,302 | (a*+d?)(bd+d*) | 12 | 3 | (d+a*)(bd+d*) | 11 | 3 | (d+a*)(bd+d*)+a* | (a?+dd)b*? | aaadd | ba |
1,303 | (a+a+c)b*c? | 11 | 3 | (a+c)b*c? | 9 | 3 | (a+c)(b*c?+b?c) | (a*+b?)(b?+c?) | cbbbbbc | cbbabbbb |
1,304 | (b?+c*)(b?+d*) | 11 | 3 | (b+c*)(b+d*) | 9 | 3 | bd+(b+c*)(b+d*) | b*+b+d+b*(c+d) | dddddd | dccccddd |
1,305 | (a*+d*)(a?+d?) | 11 | 3 | ((a*+d*)(a+d))? | 10 | 4 | a*d?+d*(a+dd) | a*d*+d?+dd | a | adaad |
1,306 | (d+c+c)(a+d)b* | 12 | 3 | (c+d)(a+d)b* | 10 | 3 | (dd+(c+d)(a+d))b* | a*a*(b+c)d? | cabb | acdbbb |
1,307 | ba*(c?+cc) | 11 | 3 | ba*(cc?)? | 10 | 4 | b(aa+a*c?)c? | (a+c+c)b*(b+c) | baaac | abaaaac |
1,308 | ab+cc+(b+c)* | 12 | 3 | ab+(b+c)* | 8 | 3 | (a+(b?c)*)b+(b+c)* | a?b*(c+c+cc) | cbccbccc | caccbcbb |
1,309 | (a*+a+a)aad* | 13 | 3 | aaa*d* | 9 | 3 | aa(ad+a*d*) | (a?+d*)(ad+d*) | aaaddd | aadddda |
1,310 | (d+cd)b*c* | 11 | 3 | c?db*c* | 10 | 4 | (db+c?db*)c* | (b+c+dd)(d*+dd) | dbccccc | ddbbcccc |
1,311 | b*c*(d*+dd) | 12 | 3 | b*c*d* | 8 | 3 | (bb+b*c*)(c+d*) | (b+c)*+c+d+cd | cccccd | bbccccbd |
1,312 | a*(a+b)+b*+b+b | 13 | 3 | a*b?+b* | 8 | 3 | a*(a+b)+a?b+b* | a*b*+(bb)? | aaaaa | aabaaaaa |
1,313 | (a?+b+d)d*? | 10 | 3 | (a+b)?d* | 7 | 3 | b?d?+(a+b)?d* | a?b*(bd+d?) | a | dda |
1,314 | a(b+b)+b*c* | 11 | 3 | ab+b*c* | 9 | 3 | ab+(bb)*b?c* | (a+a)*+b*c? | bbc | ccccbccc |
1,315 | a*c*(d+d) | 9 | 3 | a*c*d | 7 | 3 | (a(a+c)+a*)c*d | a?(d+d)(a+c)* | aacccccd | aaaacaad |
1,316 | (d+c+d)b*(c+d) | 12 | 3 | (c+d)b*(c+d) | 10 | 3 | (db+(c+d)b*)(c+d) | (b+c+c)c?d* | cbc | dbbcbbbc |
1,317 | (d+a*)(a+c+c*) | 11 | 3 | (d+a*)(a+c*) | 9 | 3 | (d+a*)c*+d?a? | (a+d)c?(c+d)* | dccccccc | dccccdcc |
1,318 | (a*+b*)c*? | 9 | 3 | (a*+b*)c* | 8 | 3 | bc?+(a*+b*)c* | (c+a+b)(a*+a?) | bbbccc | bbbcccca |
1,319 | (bc+d?)(c*+c?) | 12 | 3 | (d+bc)?c* | 9 | 4 | (d+(b+d)?cc*)? | b*c*(b+d+d+d) | bc | ccbcc |
1,320 | (a*+c+c)d?* | 10 | 3 | (c+a*)d* | 7 | 3 | (c+a?d+a*)d* | ad+cc+(c+d)* | aad | ccdddddd |
1,321 | a+a+c+a*b* | 11 | 3 | c+a*b* | 7 | 3 | c+a*(aab)?b* | (a+c)b*+c*? | aaaaabb | bcbbbb |
1,322 | d+aa+(a+b)* | 10 | 3 | d+(a+b)* | 6 | 3 | d+((ba+a*)b)*a* | (b+d*)(a?+b*) | bbaab | ababbdbb |
1,323 | a*(a+c)(d*+d*) | 12 | 3 | a*(a+c)d* | 9 | 3 | ad+a*(a+c)d* | a?*(c+d+dd) | aaaac | dcdd |
1,324 | bb*d*? | 8 | 3 | bb*d* | 7 | 3 | bb*((b+d)d?+d*) | (b*+bd)d** | bd | bbbdbb |
1,325 | a+d+b?+c*d* | 12 | 3 | a+b+c*d* | 9 | 3 | a+b+c*(cd?+d*) | a**(bd+c*) | ccdddddd | ccccda |
1,326 | a+c+b+d+c*d* | 13 | 3 | a+b+c*d* | 9 | 3 | a+b+cd+c*d* | (a+c)d*+b+c+d* | a | accd |
1,327 | a*+d+d+a?d* | 12 | 3 | a?d*+a* | 8 | 3 | a?(aa+dd*)+a* | a*(a+d)(a?+d+d) | aaaaa | ada |
1,328 | (c+a+c)(a*+b*) | 11 | 3 | (a+c)(a*+b*) | 9 | 3 | cb+(a+c)(a*+b*) | a*+ab+(b+c)c* | abbb | ccaaaaa |
1,329 | (a*+c+c)b*c* | 12 | 3 | (c+a*)b*c* | 10 | 4 | ((a+c)b+a*)b*c* | (a+b+c?)(b*+bb) | cbcc | bbbbbbcb |
1,330 | b*d?(b+b+c+c) | 13 | 3 | b*d?(b+c) | 9 | 3 | bc?+b*d?(b+c) | (b+d+d?)c*c* | bbbc | bbbbcbc |
1,331 | (a?+a+b)b*c? | 12 | 3 | a?b*c? | 8 | 3 | bc+a?b*c? | (a+b)b*+b*c? | bbbbbbbc | cbbbbbbb |
1,332 | b*c?(b?+c?) | 11 | 3 | (b*c?(b+c))? | 10 | 4 | b*(c(b+c)?)? | (b*+c*)(b+b+c*) | bcb | cbbbbcc |
1,333 | a*(a+a)b?d* | 12 | 3 | aa*b?d* | 10 | 4 | a(ad+a*b?)d* | a?b?(d*+d?) | aabd | daaaaadd |
1,334 | c*d*+(c+c)(d+d) | 13 | 3 | c*d* | 5 | 2 | c*(cccd?+d*) | c?c?(d*+d?) | cccddddd | cccdddc |
1,335 | (b*+c*)(c*+c*) | 11 | 3 | b*c* | 5 | 2 | b*((bc*)?c+c*) | (b?+bb)c*c? | bccccccc | bbbcccb |
1,336 | ab+b*+(b+d)d* | 13 | 3 | ab+b?d*+b* | 12 | 4 | (a+bb*)b+b?d* | a?d*+b*d* | bbbbbbbb | dddddadd |
1,337 | a?d*(cc+d?) | 12 | 3 | a?d*(cc)? | 10 | 3 | ((a+d)d*)?(cc)? | (a+c)*+ad+d? | adddd | adadddcc |
1,338 | a?c*(c*+d*) | 11 | 3 | a?c*d* | 8 | 3 | (a+c)?(cc+c*d*) | a**+c*d? | cdddd | accadddd |
1,339 | (d+d?)(b*+d*) | 10 | 3 | d?b*+d* | 8 | 3 | d(b+d)+d?b*+d* | b?d*(b+d+b+d) | dddddddd | dbddddd |
1,340 | (a?+a?)b*(c+d) | 12 | 3 | a?b*(c+d) | 9 | 3 | (a+(ab)?b*)(c+d) | (a+c)(b+d)c*? | abc | acbbd |
1,341 | a?(b+c)c*c* | 12 | 3 | a?(b+c)c* | 9 | 3 | a?(cc?+(b+c)c*) | ba*(c?+cc) | bc | cb |
1,342 | a*a*(b+c)d? | 12 | 3 | a*(b+c)d? | 9 | 3 | a*(b+c)d?+a?b | (a+c+b+d)(b+b)* | ab | acaaaaac |
1,343 | (a+b)b*b*(c+d) | 13 | 3 | (a+b)b*(c+d) | 10 | 3 | ac+(a+b)b*(c+d) | (ad)*(b*+b+c) | bbbc | bbbbca |
1,344 | (a+c)d*(b+c+b+c) | 14 | 3 | (a+c)d*(b+c) | 10 | 3 | (a+(c+ad)d*)(b+c) | (ad+b+c)d** | cdddb | cdbdddc |
1,345 | (b+a+b)(b+d)* | 10 | 3 | (a+b)(b+d)* | 8 | 3 | adb+(a+b)(b+d)* | (b+b+d)a*d* | bbbddbb | bbadbbb |
1,346 | (b*+bd)(d?+dd) | 13 | 3 | (bd+b*)d?d? | 12 | 4 | (b(d+b*))?d?d? | (b+b)*d*? | bddd | dbbbbb |
1,347 | c+b*+(a+c)* | 9 | 3 | b*+(a+c)* | 7 | 3 | c*(a(ca?)*)*+b* | (b+bc)a*b? | aaaacccc | ccccccbc |
1,348 | a*a?(c+d)d* | 12 | 3 | a*(c+d)d* | 9 | 3 | a*(c+d)d*+c?d | a*+d+d+c*d? | d | aaaaaaca |
1,349 | (a?+c?)(a+a)c* | 12 | 3 | (a+c)?ac* | 9 | 4 | (ac+(a+c)?a)c* | (a+a+ac)* | aa | aaccaccc |
1,350 | (a*+c?)(b+b)d* | 12 | 3 | (c+a*)bd* | 9 | 4 | (c+a*)bd*+a?b | (a*+b+d)c?* | aaab | abddcdd |
1,351 | bcd*(c*+dd) | 13 | 3 | bcd*c* | 9 | 3 | bc(dc+d*c*) | b**(bd+c*) | bccccccc | bbddcccc |
1,352 | a*c*(a*+cc) | 12 | 3 | a*c*a* | 8 | 3 | a*(acc+c*)a* | (c+a*)c*c* | ccc | cacccc |
1,353 | (b+d)c*+c*c? | 12 | 3 | (b+d)?c* | 7 | 3 | bc?+(d+bc)?c* | (b+b+d*)(c?+d*) | bccccccc | dccccb |
1,354 | a?c*+ad+b+d | 13 | 3 | b+a?(d+c*) | 9 | 4 | (b+(a+c)c*+a?d)? | a+c+a+d+b*c* | cccccc | cccd |
1,355 | (b+c+d+d)(c*+c?) | 13 | 3 | (b+c+d)c* | 8 | 3 | c+(b+d+cc)c* | (b+d)c*+c*+cd | dccc | bbccc |
1,356 | b+d+cd+c*d* | 13 | 3 | b+c*d* | 7 | 3 | b+c*(ccd?+d*) | (b+c)c*(c+c+d?) | dd | ccdccccc |
1,357 | a*d*+abb* | 12 | 3 | ab*+a*d* | 10 | 3 | a(a*+b*)+a*d* | (a+d)b*d*d* | addd | baaaaadd |
1,358 | (a+a*)(bb+d?) | 11 | 3 | a*(d+bb)? | 9 | 4 | d+a*(ad?+bb)? | (a*+b+d)a*(d+d) | bb | ababb |
1,359 | (a+a+c+d)(a+d)* | 12 | 3 | (a+c+d)(a+d)* | 10 | 3 | da+(a+c+d)(a+d)* | a?+c*+(a+d)* | aadadad | ccdaddaa |
1,360 | (b+d+c?)(c*+c+c) | 13 | 3 | (b+d)?c* | 7 | 3 | b(cc)*+(b+d)?c* | (b+d)d?(c*+c+c) | bcccc | dcccccdc |
1,361 | add*(c*+d+d) | 13 | 3 | add*c* | 9 | 3 | ad(cc+d*c*) | (a+a+d?)c*(d+d) | ad | ddccc |
1,362 | (a*+ac)(c?+d+d) | 13 | 3 | (ac+a*)(c+d)? | 11 | 3 | (ac+a*)(c+d)?+a* | aa+d?+(a+c)* | aaaac | dcd |
1,363 | (a+d)*(c*+d+d) | 11 | 3 | (a+d)*c* | 7 | 3 | d?(dc+(a+d)*c*) | (d+a*)(a?+a+c) | daadda | aadacddd |
1,364 | (a+c*)(a*+a+c) | 11 | 3 | ac+c*a* | 9 | 3 | (a+c*)(c+a*) | (a*+cc)(c*+c*) | aaaa | ccaac |
1,365 | (b*+b+c)c*c? | 12 | 3 | b*c* | 5 | 2 | b(b+(bb)*)+b*c* | b*c*c*c? | bc | bbbbbcbc |
1,366 | (a+b)c*c?d? | 12 | 3 | (a+b)c*d? | 9 | 3 | (bc?+(a+b)c*)d? | a*d*+a+c+b+d | acccccc | acccccac |
1,367 | (a+b)*(d+d)? | 9 | 3 | (a+b)*d? | 7 | 3 | (a+b)*d?+a?ba | (a*+b+b)a*d* | aaabbbbb | abbbbdad |
1,368 | b*d?(b+b)c? | 12 | 3 | b*d?bc? | 10 | 4 | (b*(b+d))?bc? | (b*+d*)(bc+c+c) | bbbbdbc | bbdbbbbb |
1,369 | (b+d+d?)c*c* | 12 | 3 | (b+d)?c* | 7 | 3 | (d+(b+d?c)c*)? | (c+c*)(bd+d*) | cccc | dcbc |
1,370 | (d+b*)(c?+c+d) | 11 | 3 | (d+b*)(c+d)? | 9 | 3 | dc?+(d+b*)(c+d)? | (b+d*)(c+c+d?) | bbbbbbc | bcbbbd |
1,371 | a*a?(a+b)(b+d) | 13 | 3 | a*(a+b)(b+d) | 10 | 3 | a*(bd+(a+b)(b+d)) | a*ab+b*d* | aaaaab | abbb |
1,372 | (a+a*)(c*+c+d) | 11 | 3 | a*(d+c*) | 7 | 3 | aa?d+a*(d+c*) | (a+a+c)a*(c+d) | aaaaaa | ccdccccc |
1,373 | (ad+b?)(d*+d*) | 12 | 3 | (b+ad)?d* | 9 | 4 | ((b+(a+bd)?d)d*)? | (a*+b*)d*d? | dddddd | addbddd |
1,374 | (b*+c*)(b+b+c*) | 12 | 3 | (b*+c*)(b+c*) | 10 | 3 | b*c*+c?(c*b)? | b*(c+c)(c?+cc) | bbbc | bcbbccc |
1,375 | (a*+ad)(a+b+b*) | 13 | 3 | (ad+a*)(a+b*) | 11 | 3 | (ad?+a*)(a+b*) | (aa+b?)d?* | aab | adaab |
1,376 | (c+c*)a?* | 8 | 3 | c*a* | 5 | 2 | c*(c(ca)?)?a* | a*c*+c*+c+c | cccaaaaa | aaaaac |
1,377 | a*(a+c)+a?d* | 12 | 3 | a?(a*c?+d*) | 11 | 4 | a*(a+c)+a?(c+d*) | (a?+dd)(c+d)* | dd | daa |
1,378 | c+aa+a*d* | 11 | 3 | c+a*d* | 7 | 3 | c+a*d*+a?d | a+c*+a*(a+d) | ad | caaaaadd |
1,379 | (a+a)(a+c)+(a+d)* | 12 | 3 | ac+(a+d)* | 8 | 3 | a(c+a?a?)+(a+d)* | (d+c?)(a*+d+d) | adaddada | ddaac |
1,380 | (a?+a+d)(c+c)* | 11 | 3 | (a+d)?c* | 7 | 3 | dcc+(a+d)?c* | a?d*(ac+c+c) | acccc | dcccca |
1,381 | b*?(c*+d?) | 9 | 3 | b*(d+c*) | 7 | 3 | b?(b+(bb)*(d+c*)) | (b*+d+d)(c+c+d?) | bccc | cbbbbbcc |
1,382 | (a+c+b*)(d*+d*) | 12 | 3 | (a+c+b*)d* | 9 | 3 | (a+c+b*)d*+a?d | adb*c*c* | ddd | bbbcd |
1,383 | (d+b+d)(c*+d*) | 11 | 3 | (b+d)(c*+d*) | 9 | 3 | dc*+(b+d)(c*+d*) | (b+c+b+c)(b+d)c* | dc | ddcdddd |
1,384 | (b+c?)c*d* | 10 | 3 | b?c*d* | 8 | 3 | b?(c*(c+d))?d* | b*b?(cd+d?) | cd | ccccccb |
1,385 | (a*+bb)b*(b+b) | 13 | 3 | a*b*b | 7 | 3 | (a(b+a*)+a*b*)b | a*b*+b?? | bbb | baabbbbb |
1,386 | b*(b?+d*) | 8 | 3 | b*d* | 5 | 2 | b*((b+d)(dd)?+d*) | b*b*+(b+d)d* | dddd | bbdbbd |
1,387 | (a+a+b*)(cd)* | 11 | 3 | (a+b*)(cd)* | 9 | 3 | (a+b*)(c(dc)*d)? | (a+b)*+ad+c+d | bbbbbb | bcdcdcda |
1,388 | b*+b+d+(c+d)d* | 13 | 3 | c?d*+b* | 8 | 3 | c+(cd)?d*+b* | cb*(b+b)d* | dddddd | bbbbbdbb |
1,389 | b*b*(c*+c?) | 11 | 3 | b*c* | 5 | 2 | (b(bcc+b*))?c* | (b+b)*(bc+c*) | ccccc | cccb |
1,390 | a*a*(ad+b?) | 12 | 3 | a*(b+ad)? | 9 | 4 | a*(b+ad)? | (ab+d?)* | ad | adaaaaab |
1,391 | a*(c+d)(b+b+b+c) | 14 | 3 | a*(c+d)(b+c) | 10 | 3 | cc+a*(c+d)(b+c) | (b+c?)(a+a+d*) | aacc | aaaaadbd |
1,392 | (a+a)(d+d)+(a+b)* | 12 | 3 | ad+(a+b)* | 8 | 3 | a(d+(ba*)*)+(a+b)* | b+b+d+(a+b)* | bababab | bbaadaa |
1,393 | c+c*+a*(c+d) | 11 | 3 | a*(c+d)+c* | 9 | 3 | a*(c+d)+c* | a*d?+c*c* | ad | dac |
1,394 | (a+a+c+d)d*d? | 13 | 3 | (a+c+d)d* | 8 | 3 | cd?+(a+c?d)d* | a+c*+(a+d)d* | cd | ddddddad |
1,395 | a*c?(c*+d?) | 11 | 3 | a*(c?d+c*) | 10 | 4 | a*(c?(c+d)+c*) | (a?+d+d)(a+c+c*) | aaaaaac | caaaa |
1,396 | a*d?+c*c* | 11 | 3 | a*d?+c* | 8 | 3 | d+a*(a(a+d))?+c* | ad+ad+(c+d)* | ccccc | aaaaaac |
1,397 | a?b?(d+d)* | 10 | 3 | a?b?d* | 8 | 3 | a?(bd?+b?d*) | a*?+b*(b+d) | adddddd | ddddadd |
1,398 | a*a?(a+b)b* | 12 | 3 | a*(a+bb*) | 9 | 4 | aa*+(b+a*a)b* | a*b?(a+b+b?) | a | babbbb |
1,399 | (a+d)c?b?* | 10 | 3 | (a+d)c?b* | 9 | 3 | (a+d+(a+d)c)b* | (a+a)b*c*d* | dbbb | cacbb |
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