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 |
|---|---|---|---|---|---|---|---|---|---|---|
1,400 | a*a?(ac+d*) | 12 | 3 | a*(ac+d*) | 9 | 3 | a*(ac+d*)+(aa)* | aac*+(a+d)c* | aaaaaaaa | ddddddcd |
1,401 | (c*+c*)c?d* | 11 | 3 | c*d* | 5 | 2 | c*d*+(ddd*)* | (d+d*)(c?+cc) | ccccddd | cddddcd |
1,402 | abb*(b?+c*) | 12 | 3 | abb*c* | 9 | 3 | ab(bb)*b?c* | a?+a+c+(b+c)* | abbccc | cabbbccc |
1,403 | (a*+dd)(d*+d?) | 12 | 3 | a*d* | 5 | 2 | (a(a+d)d+a*)d* | (a*+a+a)(a+d+d*) | addd | ddad |
1,404 | a*b*+bb+cd | 13 | 3 | cd+a*b* | 9 | 3 | (cd+(b+a*a)b*)? | a?*(a+c+b+d) | aabbbbb | aabbabbb |
1,405 | (a+c)(a+d)(b+b)* | 12 | 3 | (a+c)(a+d)b* | 10 | 3 | (aa+(a+c)(a+d))b* | (a+d)b?b*c? | aa | bdbbbbbb |
1,406 | a*d?(a+a)? | 10 | 3 | a*(da?)? | 8 | 4 | a*d?a?+d?a | (d+a*)(d*+d+d) | aa | aadad |
1,407 | (c*+d*)(c?+cc) | 12 | 3 | d*c?c?+c* | 11 | 4 | d*(cc?)?+c* | c**(d+d)* | cccccccc | ddcdddcc |
1,408 | b*c*b?* | 9 | 3 | b*c*b* | 8 | 3 | b?(b*cc*)?b* | b?(b+c)c*(c+c) | bccbbb | bcbccccc |
1,409 | (a+c)*+a+d+ad | 12 | 3 | a?(d+(a+c)*) | 9 | 4 | d+ad?+(a+c)* | (aa+c?)d*d? | acccca | acaccadc |
1,410 | (b+a+a)(c+d)* | 10 | 3 | (a+b)(c+d)* | 8 | 3 | bdc+(a+b)(c+d)* | (a+c)(a+d)(b+b)* | addcdddd | aacdccd |
1,411 | (a*+a+a)(a+c)d* | 13 | 3 | a*(a+c)d* | 9 | 3 | a*(a(c+d*)+cd*) | (a+c)*+c+d+c+d | aacdddd | aaaadaaa |
1,412 | a*d*+a+d+d+d | 13 | 3 | a*d* | 5 | 2 | a*(aadd)?d* | (a*+a+d)(d+d)* | add | dddaddd |
1,413 | (a+c)*+(a+c)d? | 11 | 3 | (a+c)d+(a+c)* | 10 | 3 | (a+c)(d+(a+c)*)+a* | (a*+aa)(cd+d*) | aacac | ccaadcac |
1,414 | (ab+a+c)* | 8 | 3 | (c+ab?)* | 7 | 4 | (c+a(b+(abc?)*))* | ab+cc+(b+c)* | aaabacaa | cbbabcab |
1,415 | c*(c+c)d?d? | 12 | 3 | cc*(dd?)? | 10 | 4 | c(dd+c*d?d?) | c*d?(d*+d*) | cccc | cccccdcd |
1,416 | (d+a+c)(c*+c?) | 11 | 3 | (a+c+d)c* | 8 | 3 | ac?+(d+a?c)c* | (ac)*(d*+d*) | c | cccccccd |
1,417 | (a+a)?+(b+d)* | 9 | 3 | a+(b+d)* | 6 | 3 | a+(d*b)*(db+d*) | (a+a)?(a+d+b*) | bbdbbbd | bdadbdb |
1,418 | a*c*+(bd)? | 10 | 3 | bd+a*c* | 9 | 3 | bd+(ac+a*)c* | (b+c+d)a*a* | a | aaacccac |
1,419 | a?+d*+(b+c)d* | 12 | 3 | a+(b+c)?d* | 9 | 4 | a+(b+c+c?d)?d* | (a+d)b*(c?+c?) | cdddd | bcddddd |
1,420 | aa*(b+b*) | 9 | 3 | aa*b* | 7 | 3 | a((b+aa*)b*)? | b+b?+a*b* | abbbb | aaaabbba |
1,421 | b(d+d)a*d* | 11 | 3 | bda*d* | 9 | 3 | bd(dd?+a*d*) | a*d*+a+a+bb | bdaddddd | bbaaaaaa |
1,422 | a?c?b*(d+d) | 12 | 3 | a?c?b*d | 10 | 4 | a?(c+(cb)?b*)d | (a+a+d*)(b?+b+c) | abbbd | acbcbbd |
1,423 | a**(b?+c?) | 9 | 3 | a*(b+c)? | 7 | 3 | a*b?+a?(a*c)? | ab*(a*+a+c) | aac | aaacaab |
1,424 | (c+c*)(a*+b+b) | 11 | 3 | c*(b+a*) | 7 | 3 | c?(aa+c*(b+a*)) | (a+a)?(a+b)c* | ccccccca | cbcccc |
1,425 | (a?+bb)(d+d)* | 11 | 3 | (a+bb)?d* | 9 | 4 | (a+bb)?(dd)*d? | (a+d+d?)b*d? | addd | ddbddd |
1,426 | a*(b+b)(a+c)? | 11 | 3 | a*b(a+c)? | 9 | 3 | (aa)*a?b(a+c)? | ba*c?* | aaaaabc | caaaaabc |
1,427 | ac*(a?+d*) | 10 | 3 | ac*(a+d*) | 9 | 3 | a(a+c*(ca?+d*)) | (a+c+ac)c*d* | acddd | accccda |
1,428 | a?b*+bb+d* | 12 | 3 | a?b*+d* | 8 | 3 | a?(bb)*b?+d* | a*(b+d)+b*+bb | ddddd | bbbbabbb |
1,429 | cb*(a+d+b?) | 11 | 3 | cb*(a+d)? | 9 | 3 | c(d+b*(a+bd?)?) | (b+b+c)(a+d)c* | cbd | cdbbd |
1,430 | (a+d)d*+c*? | 10 | 3 | a?d*+c* | 8 | 3 | a+a?dd*+c* | a*(c+d)+(a+d)* | ad | acccc |
1,431 | (a+b+d*)(c*+c?) | 12 | 3 | (a+b+d*)c* | 9 | 3 | (a+b+d?c+d*)c* | (a?+c*)b*d* | dccccc | dddcccdc |
1,432 | (a*+a+b)c?* | 10 | 3 | (b+a*)c* | 7 | 3 | a(ac)?+(b+a*)c* | (a*+b?)b*cc | aaccc | aaca |
1,433 | a*(a+c)(d*+dd) | 13 | 3 | a*(a+c)d* | 9 | 3 | cd?+a*(a+c)d* | a*c?(c*+d?) | cd | daaaaadd |
1,434 | (a+b)(a+c)(c*+c+c) | 14 | 3 | (a+b)(a+c)c* | 10 | 3 | (a+b)(cc+(a+c)c*) | (a+c)*+(b+b)* | aa | abccc |
1,435 | a*ab+(b+d)* | 11 | 3 | a*b+(b+d)* | 9 | 3 | (d+a*)b+(b+d)* | a?*(b+d)* | bdddddd | daddbbdb |
1,436 | ab+c*+c*d* | 12 | 3 | ab+c*d* | 9 | 3 | (ab+c*(c+dd*))? | (d+d?)(a+b)c* | ccc | dcccccdd |
1,437 | (a?+b*)c** | 9 | 3 | (a+b*)c* | 7 | 3 | (a+(bb)*c+b*)c* | (c+a+b)b?* | bbbbbbbb | bba |
1,438 | a?(b+d)(d*+dd) | 13 | 3 | a?(b+d)d* | 9 | 3 | a?(d+(b+dd)d*) | (b+a*)(d*+d?) | d | abddbdd |
1,439 | (a*+d*)(c*+c?) | 11 | 3 | (a*+d*)c* | 8 | 3 | (d(dc+d*)+a*)c* | a?d*(c+d)* | cccccccc | dacc |
1,440 | a**(a+b)d* | 10 | 3 | a*(a+b)d* | 9 | 3 | a*(a+(b+ad)d*) | (a*+ad)(a+b+b*) | aaaabdd | bdbdd |
1,441 | a*d*+aa+c? | 12 | 3 | c+a*d* | 7 | 3 | c+(aa+a*d*)d? | (a*+a+c)d*d* | ad | aaaaaacd |
1,442 | (a*+a+a)(a+b+d+d) | 14 | 3 | a*(a+b+d) | 8 | 3 | a*(b+d+a(ad)?) | a*d*+b+b+d* | aa | abaaaaad |
1,443 | (a*+c+d)(d?+d+d) | 13 | 3 | (c+d+a*)d? | 9 | 3 | ad+(c+d+a*)d? | a+d+c*+c?d* | aaaaad | aaacaa |
1,444 | (a?+b?)(a+b)b* | 12 | 3 | (a+b)a?b* | 9 | 3 | (a+b)?(a+a?b)b* | (a*+b*)a?? | ba | babab |
1,445 | (a+c?)(b?+c*) | 10 | 3 | (a+c)?(b+c*) | 9 | 3 | a(b+c*)+c?b+c* | a*b*+a*+cc | ac | cccccccb |
1,446 | (a+a+c*)d*d* | 12 | 3 | (a+c*)d* | 7 | 3 | (a+cdd+c*)d* | a?c*(c*+d+d) | ccccccc | cccdddda |
1,447 | (b+d)d*+c*c* | 12 | 3 | b?d*+c* | 8 | 3 | bd+(b+d)d*+c* | b*b*+c*(c+d) | bdd | bdddddcd |
1,448 | (b+d*)(a?+b*) | 10 | 3 | (b+d*)(a+b*) | 9 | 3 | (b+d*)a?+d*b* | (a+d+bd)(d*+dd) | dddd | ddbbdbb |
1,449 | (a?+bb)(d*+dd) | 13 | 3 | (a+bb)?d* | 9 | 4 | dd+(a+bb)?d* | a?b*(a+d+b*) | dddddddd | bbdda |
1,450 | b*+c+d+(b+d)* | 11 | 3 | c+(b+d)* | 6 | 3 | c+(b*d)*+(d*b)* | (b+bd)b?c* | bbbbbbbd | ddbdcddd |
1,451 | a?b*(b+d+b+d) | 13 | 3 | a?b*(b+d) | 9 | 3 | a?(b(d+b*)+b*d) | (a*+a+a)(a+b+d+d) | bbbbd | da |
1,452 | (b+a+b)(b*+c*) | 11 | 3 | (a+b)(b*+c*) | 9 | 3 | bb+(a+b)(b*+c*) | (a+b*)(a*+c+c) | bccc | aacccccc |
1,453 | c*(a+b+a+d) | 10 | 3 | c*(a+b+d) | 8 | 3 | c*(a+b+d+c(a+b)) | acb*d** | ccccb | cdccccb |
1,454 | (b*+b+d)b*(c+d) | 13 | 3 | d?b*(c+d) | 9 | 3 | ((d+d?b)b*)?(c+d) | (b+c+d)(c*+cc) | bbbbbbd | dbbbbdbc |
1,455 | (a+c)d*(b+d)* | 11 | 3 | (a+c)(b+d)* | 8 | 3 | (a+c)(b+d)* | (a+a+b)(a+d)c* | addddbdd | aadbdddb |
1,456 | (a+a)*(a+c+bc) | 12 | 3 | a*(a+b?c) | 9 | 4 | a*(a+(b+ab?)?c) | (c+a+c)(a*+b*) | a | cb |
1,457 | c*c?+c?d* | 11 | 3 | c?d*+c* | 8 | 3 | (c+d)d*+(ccc?)* | (c*+d*)(c?+cc) | ccccc | cddddcd |
1,458 | (a+d)c?d*? | 10 | 3 | (a+d)c?d* | 9 | 3 | (a+d)(c+c?d)?d* | a*+a?+(c+d)* | dddddddd | aaddddd |
1,459 | b*(d+d)c*? | 10 | 3 | b*dc* | 7 | 3 | b*(d+bdc)c* | b?c*+b?+d* | bdccc | dccbccc |
1,460 | (aa+c*)(d*+d*) | 12 | 3 | (aa+c*)d* | 9 | 3 | (aa+c*d)d*+c* | (a+d+dd)c** | cccdddd | ccacd |
1,461 | (c+c+c+c)(c+d)* | 12 | 3 | c(c+d)* | 6 | 3 | (c(dc)?)?c(c+d)* | (c*+c*)ccd* | cddcddc | dcccddcd |
1,462 | (a+b+b?)c*(d+d) | 13 | 3 | (a+b)?c*d | 9 | 4 | ((a+b+b?c)c*)?d | (a*+b+c)(d*+d?) | cccccccd | bcda |
1,463 | (b*+bb)(c+d)? | 11 | 3 | b*(c+d)? | 7 | 3 | b*(b+c+d)+b?d? | b*d*(b?+c*) | bd | bbbdbbd |
1,464 | a?d?(b+b)c* | 12 | 3 | a?d?bc* | 10 | 4 | (d+ad?)?bc* | (c+c*)(a+d+b+d) | adbcc | bcbcc |
1,465 | a*bdd*? | 10 | 3 | a*bd*d | 9 | 4 | (bd+a*b)dd* | a*?(b+d)(b+d) | abddddd | aaaaaab |
1,466 | b*+cc+c?d* | 12 | 3 | c?(c+d*)+b* | 10 | 4 | c?(c+d*)+b*+d* | (c+b+d)(c*+cc) | dd | bbdb |
1,467 | b*d*+bdc? | 12 | 3 | bdc+b*d* | 11 | 3 | bdc?+b*d* | b**(b+d)(c+d) | bbbbdddd | bbbbdcd |
1,468 | (b+b*)(a+c)(a+d) | 12 | 3 | b*(a+c)(a+d) | 10 | 3 | cd+b*(a+c)(a+d) | (a+a)?(b+c)d* | bbbaa | bbbcdc |
1,469 | b*d?b?d* | 11 | 3 | b*(db)?d* | 10 | 4 | ((b+b*d)b+b*)d* | b?(b+d)(b+b)* | dddddddd | bdddbdd |
1,470 | (a+a+b*)(c+c+d?) | 13 | 3 | (a+b*)(c+d)? | 9 | 3 | ac+(a+b*)(c+d)? | a?d?(b+b)c* | bbbb | dac |
1,471 | (b+b*)(a+a)b* | 11 | 3 | b*ab* | 7 | 3 | (bb)*b?ab* | a*b*+a?+a+b | bbbba | bbaabbbb |
1,472 | a+a+c*+c?d* | 12 | 3 | a+c?d*+c* | 10 | 4 | a+((c+d)d*)?d+c* | (a*+ac)(c?+d+d) | cccccc | acc |
1,473 | a*b*+a?+cc | 12 | 3 | cc+a*b* | 9 | 3 | (cc+a*(a+b*b))? | (a+c+bc)(b*+bb) | abbbb | baaabbb |
1,474 | (a+d+d*)(bd)* | 11 | 3 | (a+d*)(bd)* | 9 | 3 | (a+d*)(b(db)?d)* | d+b*+a*d* | bdbd | abdddbd |
1,475 | (a+c+d+d)c*c? | 13 | 3 | (a+c+d)c* | 8 | 3 | ac?+(d+a?c)c* | a?d*(a+c+c?) | c | accd |
1,476 | b?(b+d)(b+b)* | 11 | 3 | (b+b?d)b* | 9 | 4 | b?(d+((b+d)b*)?b) | dd*+b*d? | dbbbbbb | bdbbbd |
1,477 | a*(a+d)+(b+d)* | 11 | 3 | (a*+(b+d)*)d? | 10 | 4 | (b+a*)d?+(b+d)* | db*+a?b* | ddddd | dbdbddad |
1,478 | (b+d)*+(c+c)d* | 11 | 3 | (c+(b+d)*)d* | 9 | 4 | c+(cd)?d*+(b+d)* | b*(c+c)+b*+d* | bdddb | cdbbbdbb |
1,479 | a*(b+c)(b+d+b+d) | 14 | 3 | a*(b+c)(b+d) | 10 | 3 | (c+a*(b+ac))(b+d) | a*a*(a+b)(c+d) | aacd | aaaaacad |
1,480 | a*(c+d)+(a+d)* | 11 | 3 | a*(c+(a+d)*) | 9 | 4 | a*(c+aa)+(a+d)* | a*d*+(a+a)(c+d) | ddaddddd | addacdad |
1,481 | (a+b+c*)(c+d)* | 11 | 3 | (a+b)?(c+d)* | 9 | 3 | bd+(a+b)?(c+d)* | (c+a?)(b+d+d*) | bcdcdddd | adddcb |
1,482 | (b?+b+c)(d*+d*) | 12 | 3 | (b+c)?d* | 7 | 3 | c+(b+(b+c)d)?d* | b+b+c*+(b+c)d* | b | cddddddb |
1,483 | a?*(c+d+d?) | 10 | 3 | a*(c+d)? | 7 | 3 | ad+a*(c+d)? | a*d?(a+a)c* | aaaaac | caaaac |
1,484 | a*a?(d*+dd) | 12 | 3 | a*d* | 5 | 2 | a*d*+(ad*)?d? | a?(a+d)d*d? | aaaddddd | adaaaaaa |
1,485 | (a+a)*(b+d)c* | 11 | 3 | a*(b+d)c* | 9 | 3 | bc?+a*(b+d)c* | a+d+d+d+b*c* | bccccc | aaaaaaaa |
1,486 | (a*+d+d)(c+d)? | 11 | 3 | (d+a*)(c+d)? | 9 | 3 | (d+a*)(c+d)?+a?d | (aa+c*)(d*+d*) | aaa | daa |
1,487 | (b+b*)(d+c*) | 9 | 3 | b*(d+c*) | 7 | 3 | d+b*(b(c+d)+c*) | (b+d)*+cd+d+d | bccc | dbbbbd |
1,488 | a*c*+a?+cd | 12 | 3 | cd+a*c* | 9 | 3 | cd+a*(ac)?c* | (d+a+c)(c*+c?) | accccc | accccdc |
1,489 | (a+c+b+d)b*b? | 13 | 3 | (a+b+c+d)b* | 10 | 4 | bb+(a+b+c+d)b* | (b+a+a)c*(c+d) | bbbbbbb | dbbbdbbb |
1,490 | (a*+b?)a?d* | 11 | 3 | (ba?+a*)d* | 10 | 4 | (b+(aa)*)a?d* | (b+a+b)(b+d)* | bd | daaadddd |
1,491 | (ab+a+c)(d*+dd) | 14 | 3 | (c+ab?)d* | 9 | 4 | cd?+(c+ab?)d* | a*b*+b+c+c+d | cdddddd | acb |
1,492 | (b?+bb)(c*+d+d) | 13 | 3 | b?b?(d+c*) | 10 | 3 | b?(d+b(d+c*)+c*) | b*bc+c?d* | bbcc | dbbcc |
1,493 | (b+c?)(a+c)* | 9 | 3 | b?(a+c)* | 7 | 3 | (b?(a+c)*+a*)c* | a*c*+b+c+cc | baaccaac | cccabaa |
1,494 | (a?+d?)(b*+b?) | 11 | 3 | (a+d)?b* | 7 | 3 | (a+d+a?bb)?b* | a*b*(bd+d+d) | abb | bbbab |
1,495 | (b+b*)(aa+c*) | 11 | 3 | b*(aa+c*) | 9 | 3 | (b*(b+aa+cc*))? | (b+b+c)a*(b+c) | bbccc | bbaccccc |
1,496 | (d+cd)(a+d)* | 10 | 3 | c?d(a+d)* | 9 | 3 | da?+c?d(a+d)* | (a+d*)(c*+d?) | ddaaadad | cdcddaaa |
1,497 | (bc+b+d)c*d? | 13 | 3 | (b+d)c*d? | 9 | 3 | (d+(b+dc)c*)d? | (c+b+d)b*? | dccccd | dbcccd |
1,498 | (a*+a*)c?* | 9 | 3 | a*c* | 5 | 2 | (aa+a*c*)(cc)* | a(c+c)+a*c* | cc | acacc |
1,499 | a*c*+ab+c* | 12 | 3 | ab+a*c* | 9 | 3 | ab?+a*(ac+c*) | (a+a+c*)b?c* | cc | acaacc |
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