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 |
|---|---|---|---|---|---|---|---|---|---|---|
1,500 | (b*+d+d)(b+b)d* | 13 | 3 | (d+b*)bd* | 9 | 4 | bb*+(d+b*)bd* | b*d*+(bb)? | bbbdddd | d |
1,501 | b*(b+c)+c*+c? | 12 | 3 | b*c?+c* | 8 | 3 | b*c?+c* | (b*+c*)(c*+c*) | bbbbbbb | cb |
1,502 | (a+a)*(a+c)b? | 11 | 3 | a*(a+c)b? | 9 | 3 | aa+a*(a+c)b? | bb*a*(c+c) | aaaaaaa | caaab |
1,503 | (a*+a*)(b+c+bc) | 13 | 3 | a*(b+b?c) | 9 | 4 | a*(bc?+b?c) | (a*+a+c)(bc)* | abc | aabab |
1,504 | (a*+d*)(a+c+c?) | 12 | 3 | (a*+d*)(a+c)? | 10 | 3 | a*c?+d*(a+c+d) | a*c*+adc* | ddddda | dcddd |
1,505 | bb*(a?+b+c) | 11 | 3 | bb*(a+c)? | 9 | 3 | b(a+b*(c+ba?))? | a*(b+c)+c*+c+c | bbba | bbbbbbac |
1,506 | (a+a*)(a+b)c? | 11 | 3 | a*(a+b)c? | 9 | 3 | (aa)*a?(a+b)c? | (c+c*)(a?+b+b) | aaaabc | caaaa |
1,507 | (b+d*)c*c? | 10 | 3 | (b+d*)c* | 7 | 3 | bc+(b+d*)c*+d* | (b+d+c?)(c*+c+c) | dddddd | dddcddcc |
1,508 | a?*b*(b+b) | 10 | 3 | a*b*b | 7 | 3 | (aaa?+a*b*)b | aa*(b+b*) | bbbb | aaaabab |
1,509 | (a+b+d)(b+b)* | 10 | 3 | (a+b+d)b* | 8 | 3 | b+(a+d+bb)b* | a?+ad+b*d* | a | dbba |
1,510 | (a*+b+c)c** | 10 | 3 | (b+a*)c* | 7 | 3 | b+((a+b)c+a*)c* | ab(c+c)+b*c* | aaaaaac | ccccccb |
1,511 | a*c*+c*+c? | 11 | 3 | a*c* | 5 | 2 | a*((c+aaa)c*)? | (a*+c*)(a+a+a+c) | acccccc | caccccc |
1,512 | a*(a+b)b*? | 10 | 3 | a*(a+bb*) | 9 | 4 | b+(aa*+bb)b* | a**a?b* | aabbbbbb | abaabbbb |
1,513 | dd*+b*d? | 10 | 3 | b*d?+d* | 8 | 3 | bb+(d+b*)d?+d* | b*(b?+d*) | b | dddbdd |
1,514 | (b+c)d?c?* | 10 | 3 | (b+c)d?c* | 9 | 3 | (b+c)d?c*+c?c | b**(b+c+d+d) | cdcccc | cdbccccc |
1,515 | (a+b)d*+(b+b)* | 11 | 3 | (a+b)d*+b* | 9 | 3 | a+(a+b)dd*+b* | (a+d+d*)b*d* | addddddd | bddad |
1,516 | a*+a?+(a+c)b* | 12 | 3 | (a+c)b*+a* | 9 | 3 | c+(a+cb)b*+a* | a?c?+b*c* | a | aabbb |
1,517 | a*a?(bd+c?) | 12 | 3 | a*(c+bd)? | 9 | 4 | a*(c+bd)?+(aa)* | (a+b)d*+c?d* | aaabd | bbd |
1,518 | (a+d)c*(d?+d?) | 12 | 3 | (a+d)c*d? | 9 | 3 | (d+ac?)(c*(c+d))? | a?c*(c*+d*) | dcccc | accccca |
1,519 | bcc*(d+d)* | 11 | 3 | bcc*d* | 9 | 3 | bc(c*(c+d))?d* | (c+d?)(b+b)* | bcccccc | bcdcddd |
1,520 | (a*+a?)(b+d)c? | 12 | 3 | a*(b+d)c? | 9 | 3 | bc+a*(b+d)c? | (a+d+bd)(c*+c*) | ab | aaaac |
1,521 | a*d*+b+d+c+d | 13 | 3 | b+c+a*d* | 9 | 3 | b+c+a*d*+a?d | (c+b?)a*(d+d) | aadddd | abaaddd |
1,522 | c+b*+(a+b)* | 9 | 3 | c+(a+b)* | 6 | 3 | c+b*(ab?+bb)* | (c+c*)(a+b)(a+c) | ababaaab | acaaaabb |
1,523 | ad+dd+b*d* | 13 | 3 | ad+b*d* | 9 | 3 | (a+d)d+b*d* | (a*+a+d)(a+a+b*) | d | bbddad |
1,524 | (a+c)c?b?* | 10 | 3 | (a+c)c?b* | 9 | 3 | (a+c)(bb+c?b*) | a**(ac+b?) | abbbb | cccb |
1,525 | (aa+aa)b*d* | 13 | 3 | aab*d* | 9 | 3 | aa(bb?+b*d*) | a**(bd)* | aabbdd | aabadd |
1,526 | (a+a+c*)b?c* | 12 | 3 | (a+c*)b?c* | 10 | 4 | (a+c*)(cc+b?c*) | (ac+b+c)c*? | ccccbcc | caccb |
1,527 | a*acc*c? | 12 | 3 | aa*c*c | 9 | 4 | a((c+aa*)c*)?c | a*(c+c)(a?+c?) | aaaacc | acccccca |
1,528 | (ac+d*)(b*+b+b) | 13 | 3 | (ac+d*)b* | 9 | 3 | (ac+d*)(bb)*b? | (a+b*)(c?+d+d) | db | ddbdddd |
1,529 | (b?+d?)c*(c+c) | 12 | 3 | (b+d)?c*c | 9 | 4 | (b+d)?c(cc)*c? | (d+d*)(b+c)d* | ccccccc | cdccccc |
1,530 | a*+aa+(c+d)* | 11 | 3 | a*+(c+d)* | 7 | 3 | a*+c*+(c*dc*)* | (a+a)c*(d*+dd) | dcddcdcc | daddcdd |
1,531 | a*c?b?(c+c) | 12 | 3 | a*c?b?c | 10 | 4 | (aa+a*c?)b?c | a*+aa+(b+c)c* | ac | cac |
1,532 | (b*+b?)(c+d+d*) | 12 | 3 | b*(c+d*) | 7 | 3 | bdd?+b*(c+d*) | b*+c+d+(b+d)* | bddd | bdbbbbdd |
1,533 | (d+a+a)b?d* | 11 | 3 | (a+d)b?d* | 9 | 3 | (a+d)(b+(bd)?d*) | a*+aa+b*d* | dddd | abddb |
1,534 | (a?+a?)b?d* | 11 | 3 | a?b?d* | 8 | 3 | dd?+a?b?d* | (a+a)*(b?+bd) | dddd | abddda |
1,535 | a*(b+d)+a*+c* | 12 | 3 | a*(b+d)?+c* | 10 | 4 | ab+a*(b+d)?+c* | (a+b+b?)(c+d)* | aaaaaab | cdcccc |
1,536 | aa(c+c)+(a+b)* | 12 | 3 | aac+(a+b)* | 10 | 3 | a(ac?+a*)+(a+b)* | a*+c*+(a+b)c* | aaabbbbb | aabcbab |
1,537 | a?b*(b?+dd) | 12 | 3 | a?b*(dd)? | 10 | 3 | a?(bb+b*(dd)?) | a**(a?+b+d) | bbbbbbdd | bbdbbbdd |
1,538 | c+b*+c*d* | 10 | 3 | c*d*+b* | 8 | 3 | cd+c*d*+b* | (b+c)(b+c)(d*+d+d) | cc | bdbb |
1,539 | (bd+c+d)(d*+d+d) | 14 | 3 | (c+b?d)d* | 9 | 4 | cd?+(b+c)?d*d | (b?+b+c)(d*+d*) | dddd | ddddddc |
1,540 | (b+b+c+d)(d*+d+d) | 14 | 3 | (b+c+d)d* | 8 | 3 | cdd+(b+c+d)d* | b*d?c?(c+c) | dddddddd | bdddbdd |
1,541 | a*(a+c)+c*cc | 13 | 3 | cc*+a*(a+c) | 11 | 3 | a(a*(a+c))?+c*c | a*c?+c*+c* | aaaac | aaaaaacc |
1,542 | b*c?(b+c+c+c) | 13 | 3 | b*c?(b+c) | 9 | 3 | (b*c?+(bb)*)(b+c) | (b*+b+c)(bb+c*) | bbbbbbcc | bbcbbbbb |
1,543 | (a+c+dd)d*d* | 13 | 3 | (a+c+dd)d* | 10 | 3 | (a+c+c?dd)d* | a+c+dd+(a+d)* | ddd | dadddddd |
1,544 | (b+b)c?+(c+d)* | 11 | 3 | (b+(c+d)*)c? | 9 | 4 | (b+dd)c?+(c+d)* | (b+c+bd)(c*+c+c) | dccddc | ddcdcccb |
1,545 | b*d*+(b+d)bd | 13 | 3 | (d+b*)(bd+d*) | 11 | 3 | d(bd+d*)+b*d* | (bd)*(d*+d+d) | bbdddddd | bbddddb |
1,546 | ad*(a*+dd) | 11 | 3 | ad*a* | 7 | 3 | ad*(a+(aa)*)a? | a*(d+d)(a+d+d?) | adddda | adddada |
1,547 | (a+c+bc)(b*+bb) | 14 | 3 | (a+b?c)b* | 9 | 4 | (a+b?c)(bb)*b? | a(b+b)+b*c* | cbb | abbbabbb |
1,548 | (a*+a?)(bc+c*) | 12 | 3 | a*(bc+c*) | 9 | 3 | a*((b+ac?)c+c*) | (a*+c+c)(a+a)b* | acc | abb |
1,549 | a*b*+a?+a+b | 12 | 3 | a*b* | 5 | 2 | a*((aab+b*)b)? | a*a?+a*b* | bbbbbbbb | abbabbbb |
1,550 | acb*(b*+c*) | 12 | 3 | acb*c* | 9 | 3 | acb*c* | (a*+ac)(b?+c?) | acb | acba |
1,551 | b*b*(c*+c*) | 11 | 3 | b*c* | 5 | 2 | b*(bbcc+c*) | b**(bb+c*) | ccc | cbbbbcc |
1,552 | a*+d*+b*(b+d) | 12 | 3 | b*d?+a*+d* | 11 | 4 | (d+b*)d?+a*+d* | a+a+d?+(b+d)* | dddd | bbabbbbb |
1,553 | (b*+d?)(d+d)* | 10 | 3 | b*d* | 5 | 2 | d(dd)?+b*d* | bd*+b*d* | bddddd | bbbdbd |
1,554 | b?+b+b+c*d* | 12 | 3 | b+c*d* | 7 | 3 | b+c?(cd+c*)d* | (c+c?)(b+d)c* | cccccc | bccdd |
1,555 | (b+a+b)(a*+b*) | 11 | 3 | (a+b)(a*+b*) | 9 | 3 | (a+b)?(aa*+bb*) | a*+b*+a*(b+b) | aaaa | babbbbb |
1,556 | (b+b)*(c+d+d*) | 11 | 3 | b*(c+d*) | 7 | 3 | b*(c+bbd+d*) | (b*+c*)d?? | ddddddd | bbbbdbbb |
1,557 | (b*+c?)c*(d+d) | 12 | 3 | b*c*d | 7 | 3 | ((c+bb*)c*+b*)d | (b*+dd)c*? | bcccccd | bbdccccd |
1,558 | (a+b?)a*(b+c) | 11 | 3 | b?a*(b+c) | 9 | 3 | ac+b?a*(b+c) | (a?+ab)(b*+b+c) | aaaaac | acaaaac |
1,559 | (b*+cd)(c*+c+c) | 13 | 3 | (cd+b*)c* | 9 | 3 | (cd+b*)c*+b*c | c+d+(b+c)* | bccc | bcccbcc |
1,560 | (b?+c*)(c+c+d?) | 12 | 3 | (b+c*)(c+d)? | 9 | 3 | c*(c+d)+b?(c+d)? | bcd*(c*+dd) | cc | db |
1,561 | a*a?b*b? | 11 | 3 | a*b* | 5 | 2 | (aa+a*(a+b))?b* | a*?(b*+b?) | aaabaaab | |
1,562 | b*(b+d)(b+d)? | 11 | 3 | b*d?(b+d) | 9 | 3 | bd?+b*d?(b+d) | b?b?d?* | bb | bbdbdb |
1,563 | (a*+b+c)c*(c+c) | 13 | 3 | (b+a*)c*c | 9 | 4 | (cc+(b+a*)c*)c | (a+a)*(a+c)b? | accccc | bccca |
1,564 | a?(a+a)a?c* | 12 | 3 | aa?a?c* | 10 | 4 | a((c+a?a)c*)? | (a*+c+c)(aa+c*) | aaaccc | cac |
1,565 | (a+a+c*)b*d* | 12 | 3 | (a+c*)b*d* | 10 | 4 | (cc+(a+c*)b*)d* | ab+c*+c*d* | cbbbd | cccbbbda |
1,566 | adc*(d*+d+d) | 13 | 3 | adc*d* | 9 | 3 | ad(c*(c+d)d*)? | (a+c+d*)c?? | adcccccc | cdc |
1,567 | a*b*(a+b+a+b) | 13 | 3 | a*b*(a+b) | 9 | 3 | (a*b*+(bb)*)(a+b) | (a*+a+a)(ab+b*) | aaaaab | aababa |
1,568 | a?c*(aa+a+c) | 13 | 3 | a?c*(a+c)a? | 12 | 4 | (a+c)c*(aa?)? | (a*+c?)(a*+c+c) | aa | accaac |
1,569 | a?(b+b)b?c* | 12 | 3 | a?bb?c* | 10 | 4 | (a+a?b)?bc* | (a?+b*)c** | bccc | bbccccb |
1,570 | b*b?(b*+c*) | 11 | 3 | b*c* | 5 | 2 | ((bbc)?c+b*)c* | b*c?(b+c+c+c) | bbbccccc | bbbbbccb |
1,571 | c*(a+c+b*) | 9 | 3 | c*(a+b*) | 7 | 3 | c*(a+(cb+b*)b?) | (a*+a*)(ab+c?) | cccccc | cccccbab |
1,572 | (d+d?)b?d* | 10 | 3 | (d?b)?d* | 8 | 4 | (bd+d?(b+d))?d* | (b+d)*(d+d+dd) | dbdd | dddbdd |
1,573 | (a?+a+b)c*d* | 12 | 3 | (a+b)?c*d* | 10 | 4 | (ad+(a+b)?c*)d* | a(c+c)+b*d* | bcccc | cddc |
1,574 | b?d*(bd+d?) | 12 | 3 | b?d*(bd)? | 10 | 3 | (b+(bd)?d*)(bd)? | b*ddd*d* | bb | |
1,575 | (c*+c*)ccd* | 12 | 3 | ccc*d* | 9 | 3 | cc(c?d+c*)d* | c*(c+c)d?d? | ccccccc | dcccddd |
1,576 | (d+b*)(a?+b*) | 10 | 3 | (d+b*)(a+b*) | 9 | 3 | d(a+b*)+(d+b*)a? | (d+a*)a*b? | bbbb | bbbbabbb |
1,577 | (a+d+b+b)c*c? | 13 | 3 | (a+b+d)c* | 8 | 3 | a+(b+d+(a+d)c)c* | a*?(b+d)(c+d) | accccc | acccacc |
1,578 | (b*+b?)(b+c)(c+d) | 13 | 3 | b*(b+c)(c+d) | 10 | 3 | b*(bd+(b+c)(c+d)) | (b+b+c)(b+c)d* | bbcd | bbcdc |
1,579 | a*b*+b+c+c+d | 13 | 3 | c+d+a*b* | 9 | 3 | c+d+a*b*+(aa)* | (b+b?)(a+c+d*) | bbbb | adaaaa |
1,580 | b?d*+c*+d+d | 12 | 3 | b?d*+c* | 8 | 3 | dd+(b+d)d*+c* | (b?+bb)(c*+d+d) | ccc | dbddddd |
1,581 | b*d*+d?+d? | 11 | 3 | b*d* | 5 | 2 | (b*(b+d*d)d?)? | b**d?d? | bb | bddbd |
1,582 | (b+a*)(b?+d?) | 10 | 3 | (b+a*)(b+d)? | 9 | 3 | (b+a*)(b+d)?+a* | a*b?+a*d* | aa | aaaaabb |
1,583 | b?*(d*+d*) | 9 | 3 | b*d* | 5 | 2 | (b(bb)*d+b*)d* | (b*+d+d)d?* | bbbddd | bbdbdd |
1,584 | b*?c*d* | 9 | 3 | b*c*d* | 8 | 3 | b*c*((c+d)d*)? | b+d+c+c+c*d* | bcccdd | bbbccdcd |
1,585 | (c+c*)(cc+d*) | 11 | 3 | c*d* | 5 | 2 | c*(c+dd*)+d* | c*(c+d)+c+d+d* | cddd | ccdddc |
1,586 | (a+d)*(cd+d+d) | 12 | 3 | (a+d)*c?d | 9 | 4 | (aa+(a+d)*c?)d | c+aa+a*d* | daadad | dadaaaac |
1,587 | (b*+b+c)(bb+c*) | 13 | 3 | (c+b*)(bb+c*) | 11 | 3 | b*c*+c?bb | (b*+c+c)(bc+c*) | bbb | bcccb |
1,588 | (b*+c+d)c*d? | 12 | 3 | (d+b*)c*d? | 10 | 4 | dc+(d+b*)c*d? | (b+d+cc)(c*+c+c) | bbbcd | bdb |
1,589 | (a*+a+b)(ac+c?) | 13 | 3 | (b+a*)(a?c)? | 10 | 4 | b+(b+a*)a?c+a* | (a+c)b*(b+c+c*) | a | acaaac |
1,590 | (a+a+ac)* | 8 | 3 | (ac?)* | 5 | 3 | ac+(a(ca)*c?)* | a*c*+accc | aaaca | ccaaaaaa |
1,591 | (a+c+b?)(d*+d+d) | 13 | 3 | (a+b+c)?d* | 9 | 4 | (c+(a+b+c?d)d*)? | (a+a)d*(b+c)* | cdddddd | cddcd |
1,592 | (a+b)b*+bb+c* | 13 | 3 | a?b*+c* | 8 | 3 | (a+b)b+a?b*+c* | (a+c)*+b*+b+b | bbbbbbbb | cb |
1,593 | (b+b*)(a+d+b*) | 11 | 3 | b*(a+d)? | 7 | 3 | b(a+b*)+b*(a+d)? | (a*+d?)(b+d)* | bbbbbd | bbdbbbb |
1,594 | (b?+c+d)(d*+dd) | 13 | 3 | (b+c)?d* | 7 | 3 | ((b+c+b?d)d*)? | b?d*+c*+c+d | bdddd | cbdddddd |
1,595 | (b+c)(c+d)c*? | 11 | 3 | (b+c)(c+d)c* | 10 | 3 | (b+c)(c+(d+cc)c*) | b*?(c*+d?) | ccccc | cdccccbc |
1,596 | (a*+a?)(a+d)b? | 12 | 3 | a*(a+d)b? | 9 | 3 | db+a*(a+d)b? | (a*+aa)(aa+b+d) | aad | aaaabb |
1,597 | (c+a*)(b*+b+d) | 11 | 3 | (c+a*)(d+b*) | 9 | 3 | cb+(c+a*)(d+b*) | (a+b)(b+c)(d*+d*) | aaaad | aaabab |
1,598 | (c+d*)(b+d)* | 9 | 3 | c?(b+d)* | 7 | 3 | c?(b+d)*+(bdb)* | (b?+c*)(b?+d*) | bbdddd | cbcdbdbd |
1,599 | (a+c+c*)(b*+b?) | 12 | 3 | (a+c*)b* | 7 | 3 | (a+c*)b*+c?(b+c) | a*c*+ab+c* | bbbbbbbb | cccbbcbb |
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