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 |
|---|---|---|---|---|---|---|---|---|---|---|
1,200 | (b+a?)d?* | 8 | 3 | (a+b)?d* | 7 | 3 | (a+b+d)d*+d?d? | (a*+b*)(b?+b+d) | ad | ddbdd |
1,201 | (b+d+cc)(c*+c+c) | 14 | 3 | (b+d+cc)c* | 10 | 3 | (b+d+cc)c* | bbd*(c*+d?) | dccc | cdcccc |
1,202 | a?*aac* | 10 | 3 | aaa*c* | 9 | 3 | aaa*(ac+c*) | (a*+a+c)a?c* | aaaaaa | aacaac |
1,203 | a*b*+b*+c+d | 12 | 3 | c+d+a*b* | 9 | 3 | c+d+a*((a+b)b*)? | a*a*(b+d+c+d) | aab | adbbbbbb |
1,204 | (a?+c?)(a+b)* | 10 | 3 | c?(a+b)* | 7 | 3 | caa+c?(a+b)* | a*(b+c)b** | abbbbaba | cbca |
1,205 | (d+b*)(bc+c?) | 11 | 3 | (d+b*)(b?c)? | 10 | 4 | d+(d+b*)b?c+b* | (b+b*)(d+c*) | bbbb | bdbbbbbb |
1,206 | (a+b+bd)(c*+c*) | 13 | 3 | (a+bd?)c* | 9 | 4 | ac?+(a+bd?)c* | (a+b+b+b)b*(c+d) | accccc | accdcccc |
1,207 | (a*+a+a)(c*+d+d) | 13 | 3 | a*(d+c*) | 7 | 3 | a?(a+(aa)*(d+c*)) | (a+c)*+a+d+c+c | aaaaad | aaaaadd |
1,208 | b?c*+d*+dd | 12 | 3 | b?c*+d* | 8 | 3 | bc?+b?c*+d* | b*c?+b*cd | bc | bcb |
1,209 | (c+d+d)(b*+d*) | 11 | 3 | (c+d)(b*+d*) | 9 | 3 | db?+(c+d)(b*+d*) | (d+d*)(b+c)c* | dbbb | dbbcb |
1,210 | (b+d)*(c+d+dd) | 12 | 3 | (b+d)*(c+d) | 8 | 3 | (b+d)*(c+d+b(c+d)) | (b+d)d*+c*c* | dbbdbbdc | bbddbbbb |
1,211 | (a+b)c*(b*+c+c) | 13 | 3 | (a+b)c*b* | 9 | 3 | (a+b)c*(bb)*b? | a*?(b*+c*) | bccccbbb | bccbcb |
1,212 | (b+c)(b+d)c** | 11 | 3 | (b+c)(b+d)c* | 10 | 3 | cd+(b+c)(b+d)c* | (d+b*)(bc+c?) | bdcc | dbcccccc |
1,213 | b*b*(c?+dd) | 12 | 3 | b*(c+dd)? | 9 | 4 | bb+b*(c+dd)? | (c+b+c)(b+d)* | bbbdd | bcbb |
1,214 | (a+a+b)(a+d)c* | 12 | 3 | (a+b)(a+d)c* | 10 | 3 | ba+(a+b)(a+d)c* | (a*+b+c)(d+d)* | aacccc | aacccdc |
1,215 | ab(c+c)+(c+d)* | 12 | 3 | abc+(c+d)* | 10 | 3 | (ab+d*)c+(c+d)* | c*(a+b+a+d) | cdcccddd | cacccccd |
1,216 | b*c*+b+d+d+d | 13 | 3 | d+b*c* | 7 | 3 | d+b*(bc)?c* | bdc*(d+d)* | bbbcccc | bbccbc |
1,217 | (a*+d?)(b*+b+d) | 12 | 3 | (d+a*)(d+b*) | 9 | 3 | (d+aa*)(d+b*)+b* | ab+bb+(b+d)* | aabbbb | aabba |
1,218 | (c+a*)c*c* | 10 | 3 | a*c* | 5 | 2 | (cc+a*c?)(cc)* | a*c*+(a+a)* | ccccc | cccccca |
1,219 | a+c+dd+(a+d)* | 12 | 3 | c+(a+d)* | 6 | 3 | c+d*((a+dd)d?)* | (a+d)c*+c*+d* | addddada | ddadddca |
1,220 | (a*+a*)(ab+c?) | 12 | 3 | a*(c+ab)? | 9 | 4 | a*(c+a(b+c)?)? | (a+b)*+bb+bc | aaaaaaa | caab |
1,221 | (a+d+d*)(cd+d*) | 13 | 3 | (a+d*)(cd+d*) | 11 | 3 | (a+d*)((c+d*)d+d*) | (a+c+d*)(c*+d+d) | ddddddcd | dddad |
1,222 | (b+b?)(a+c+d*) | 11 | 3 | b?(a+c+d*) | 9 | 3 | bc+b?(a+c+d*) | (ab+a+c)b*d* | bc | dddcdddd |
1,223 | add*(b*+d?) | 12 | 3 | add*b* | 9 | 3 | ad(dd)*d?b* | a*+bd+(a+b)d* | ad | adddbabb |
1,224 | (d+d*)(aa+a+d) | 12 | 3 | d*(a+d)a? | 9 | 3 | d*(d+aa?)+d?d | a*(a+d)(a+a+d+d) | d | dadda |
1,225 | (a+a+d?)c*(d+d) | 13 | 3 | (a+d)?c*d | 9 | 4 | (ac?+(a+d)?c*)d | a+c+c+d+(a+d)* | dd | dad |
1,226 | a*(a+c)(a+c+c+c) | 14 | 3 | a*(a+c)(a+c) | 10 | 3 | aa+a*(a+c)(a+c) | (a+c*)a*(a+a) | ac | aaaaacac |
1,227 | a?c?(b?+c*) | 11 | 3 | a?(c?b+c*) | 10 | 4 | cb+a?(c?b+c*) | (ab+b+c)(c*+c*) | ccc | aacc |
1,228 | (a+a)(b+b)+c*d* | 13 | 3 | ab+c*d* | 9 | 3 | ab+c*(cd)?d* | (a+b+b?)c*(d+d) | cccd | cb |
1,229 | a*d*+a+b+b+c | 13 | 3 | b+c+a*d* | 9 | 3 | b+c+a*(dd)*d? | (a+c)b?(d*+d*) | aaaadddd | badddd |
1,230 | (b*+b?)c?d* | 11 | 3 | b*c?d* | 8 | 3 | b*(c+(c?d)?d*) | b*d*+bc+dd | bbb | bdbc |
1,231 | (b*+b*)(c?+d*) | 11 | 3 | b*(c+d*) | 7 | 3 | b*(c+d*)+b?b? | (b+b+b+c)(c*+d*) | bbbb | bbbbdbbc |
1,232 | (a+c)c*(b*+cc) | 13 | 3 | (a+c)c*b* | 9 | 3 | (a+a?cc*)b* | a*b?b*(b+c) | ccbbbbbb | acab |
1,233 | (a+a)(b+c)+(a+b)* | 12 | 3 | ac+(a+b)* | 8 | 3 | ac?+(a+b)* | a*c*(b*+c+c) | baabaaa | aaacbbba |
1,234 | (d+a?)(b+b)d* | 11 | 3 | (a+d)?bd* | 9 | 4 | db+(a+d)?bd* | da*(b*+b+d) | b | ddbdddd |
1,235 | (c*+c?)(c+d)(c+d) | 13 | 3 | c*(c+d)(c+d) | 10 | 3 | (c+c*(d+cc))(c+d) | d(d+d)+c*d* | cccccdc | ccccdccd |
1,236 | (a?+b?)(b+b+c*) | 12 | 3 | (a+b)?(b+c*) | 9 | 3 | ab?+(a+b)?(b+c*) | c*(ac+b+c) | bccccccc | acaccccc |
1,237 | (a+d)*(b?+c*) | 10 | 3 | (a+d)*(b+c*) | 9 | 3 | db+(a+d)*(b+c*) | a?c?b*(d+d) | adaadadd | aaddcab |
1,238 | a*+a*(b+d) | 9 | 3 | a*(b+d)? | 7 | 3 | b+d+a*(a(b+d)?)? | (a+a+d?)b*b? | aaaaaaaa | adaa |
1,239 | (a*+d?)(c*+d+d) | 12 | 3 | (d+a*)(d+c*) | 9 | 3 | dd?+(d+a*)(d+c*) | (d+cd)(a+d)* | aaaccccc | cccd |
1,240 | (c+c*)(a*+bc) | 11 | 3 | c*(bc+a*) | 9 | 3 | c*(bc+a*)+b?c | a+c+b*+(b+c)c* | cccccc | cabaa |
1,241 | (ab+ad)* | 8 | 3 | (a(b+d))* | 6 | 3 | (a(b+d))*(ab)* | (a+b)d*+(b+b)* | adababad | abdbabad |
1,242 | (ab+a+c)c*c? | 13 | 3 | (c+ab?)c* | 9 | 4 | a+(ab+a?c)c* | cb*+a*+b* | acc | acbcccc |
1,243 | c*(b+c+bc) | 10 | 3 | c*(b+b?c) | 9 | 4 | (cc+c*(b+c))c? | (c+b*)(b*+b+c) | ccccccc | ccbcccbc |
1,244 | (b+d*)(c+d+d?) | 11 | 3 | (b+d*)(c+d)? | 9 | 3 | (b+d)(c+d)?+d*c? | (b+b*)(c+d)d? | ddddd | bdb |
1,245 | (a?+aa)(b?+d*) | 12 | 3 | a?a?(b+d*) | 10 | 3 | a?a?(b+d*) | a?b*(a+d+bd) | addddddd | adbddddd |
1,246 | c*(ac+b+c) | 10 | 3 | c*(b+a?c) | 9 | 4 | ac+c*(b+a?c) | a+a*+a*(b+c) | ccccb | cccba |
1,247 | (a+b+c?)(b*+bb) | 13 | 3 | (a+c)?b* | 7 | 3 | (a+b+c)?(bb)*b? | (a+aa)b*c* | abbbbbbb | abbbbbc |
1,248 | (a*+b+b)(b+b+c?) | 13 | 3 | (b+a*)(b+c)? | 9 | 3 | b(b+c)+a*(b+c)? | (a*+a+c)(a*+b*) | aaaaac | aacaa |
1,249 | (a+b+b+b)b*(c+d) | 14 | 3 | (a+b)b*(c+d) | 10 | 3 | (a+b)(d+b*(c+bd)) | a*a*(b+d+c*) | bbbbbbbd | bbbb |
1,250 | (b?+cd)d?* | 10 | 3 | (b+cd)?d* | 9 | 4 | (cd+(b+c?d)d*)? | (b+b+d?)(c+c)* | bddddd | ddcdd |
1,251 | (a+d)*+b+b+dd | 12 | 3 | b+(a+d)* | 6 | 3 | b+d*(ad*+dd)* | (a+a)*+(a+d)b* | ddaada | dadadba |
1,252 | (a*+a+c)(a*+b*) | 12 | 3 | (c+a*)(a*+b*) | 10 | 3 | ca*+(c+a*)(a+b*) | (a*+a*)(b*+c+c) | cbb | aaaacb |
1,253 | (ab+a+c)b*d* | 13 | 3 | (a+c)b*d* | 9 | 3 | (a+c)(dd+b*d*) | (c+ac)b*d? | ab | abbabddd |
1,254 | a+c+a*b* | 9 | 3 | c+a*b* | 7 | 3 | c+(b+a*)(bb)*b? | bc?(a+c)* | aaaaaaab | aaac |
1,255 | (a+c+d)b*? | 9 | 3 | (a+c+d)b* | 8 | 3 | dbb+(a+c+d)b* | a?+d*+(b+c)d* | dbb | dbbbbbdb |
1,256 | (a+c)*+d*? | 8 | 3 | d*+(a+c)* | 7 | 3 | c?(a+(a+c)c)*+d* | (a+c+c*)c*d* | acccaaa | aaadccac |
1,257 | (b+b+c?)(d*+d*) | 12 | 3 | (b+c)?d* | 7 | 3 | (b+c+(b+d)d)?d* | (b?+cd)d?* | dddddddd | bdbdddd |
1,258 | (a?+b+b)(d*+d?) | 12 | 3 | (a+b)?d* | 7 | 3 | (a+b+(a+d)d)?d* | (a+a+b*)(dd)* | ddddddd | bbd |
1,259 | (ac+c*)(c*+d?) | 12 | 3 | (ac+c*)(d+c*) | 11 | 3 | (ac+c*)(d+c*) | da?a*c* | d | ccaccccc |
1,260 | a*?(c+c+d*) | 10 | 3 | a*(c+d*) | 7 | 3 | a*(c+(d+(dd)*)d?) | (a*+d*)(a+c+c?) | a | daaa |
1,261 | (a?+d*)(ad+d*) | 12 | 3 | (a+d*)(ad+d*) | 11 | 3 | (a+d*)(ad+d*)+d* | a*(a+a)d*(d+d) | adddadd | |
1,262 | (d+d*)(b?+bd) | 11 | 3 | d*(bd?)? | 8 | 4 | ddd+d*b?d? | (d+d?)(b*+d*) | ddddd | bdbd |
1,263 | (a+c+c?)(d*+dd) | 13 | 3 | (a+c)?d* | 7 | 3 | (a+c)d?+(a+c)?d* | (ad+d*)c*? | dd | cdddda |
1,264 | (a+c+c)(b+d)c* | 12 | 3 | (a+c)(b+d)c* | 10 | 3 | cb+(a+c)(b+d)c* | (a*+a?)(b+d)c* | adcccc | aabcc |
1,265 | a*b*+c+d+d? | 12 | 3 | c+d+a*b* | 9 | 3 | (c+d+a*(a+bb*))? | (a+b)d*(c?+c+d) | abbbb | aaacab |
1,266 | (a*+a+a)(a+b)(a+c) | 14 | 3 | a*(a+b)(a+c) | 10 | 3 | a*(b+ab?)(a+c) | (a+a+b*)(c+c)* | bc | abaaaaac |
1,267 | (b?+d+d)(c*+d+d) | 13 | 3 | (b+d)?(d+c*) | 9 | 3 | bd+(b+d)?(d+c*) | (b+c+c+d)d?* | bd | bcccdccc |
1,268 | (d+a?)(a*+c?) | 10 | 3 | (a+d)?(c+a*) | 9 | 3 | ((a+d)a*+(a+d)?c)? | (a*+a+d)(c*+d+d) | daaaaaa | aadaaaaa |
1,269 | b*(b+c)+cc+d* | 13 | 3 | (c+b*)c?+d* | 10 | 4 | bc+(c+b*)c?+d* | (d+c+d)b*(c+d) | dddddd | bbbbbbcc |
1,270 | (a+a+b+d)(b*+b*) | 13 | 3 | (a+b+d)b* | 8 | 3 | (a+b+d)b* | a?(b+d)(d*+dd) | dbbbbbbb | abdb |
1,271 | (c*+d+d)d*d* | 12 | 3 | c*d* | 5 | 2 | (c(c+dd)+c*)d* | c*d*(d?+d+d) | ccccccd | dcccc |
1,272 | a*(b+c)+b*+b* | 12 | 3 | a*(b+c)+b* | 9 | 3 | a*(c+a(b+c))+b* | (a?+b+c)(c*+c?) | bbb | aabaaab |
1,273 | (a+b)*+c?+c+c | 11 | 3 | c+(a+b)* | 6 | 3 | c+b*(ab*+ba)* | (a+a+c)(a*+b*) | aabbaaab | aacbb |
1,274 | (a+a+c*)(b*+c*) | 12 | 3 | (a+c*)(b*+c*) | 10 | 3 | ab+(a+c*)(b*+c*) | a*c?(b?+c?) | cccb | ccbbcbbb |
1,275 | a*(b+d)+(a+a)* | 11 | 3 | a*(b+d)? | 7 | 3 | (b+d+aa*(b+d)?)? | (d+a+a)b?d* | aaaaaaa | aabaab |
1,276 | (a*+b?)b*cc | 12 | 3 | a*b*cc | 9 | 4 | (a*(a+bb*))?cc | ac*(a?+b?) | aaabbbcc | babbcc |
1,277 | (a+a+c)a*(c+d) | 12 | 3 | (a+c)a*(c+d) | 10 | 3 | ac+(a+c)a*(c+d) | (a+c+d+d)c*c? | aaac | cacaaaad |
1,278 | a?d*b?? | 9 | 3 | a?d*b? | 8 | 3 | b+(a+d)d*b?+d* | a*b?+a+a+d* | dddb | dddddad |
1,279 | (b+c+d?)c** | 10 | 3 | (b+d)?c* | 7 | 3 | (b+d+c*)(cc)*c? | (b+d+c?)c** | ccccc | bdcccccc |
1,280 | (a?+b*)(aa)* | 10 | 3 | (a+b*)(aa)* | 9 | 3 | bb+(a*+b*)(aa)* | a*a?(a+b)b* | bbbbbaa | bbabbbb |
1,281 | a+d+b*+(b+d)* | 11 | 3 | a+(b+d)* | 6 | 3 | a+((bd+d*)b)*d* | a?b*(a?+d+d) | bbdbbd | dbabdbd |
1,282 | a*?(b+d)(b+d) | 11 | 3 | a*(b+d)(b+d) | 10 | 3 | a*(bd+(b+d)(b+d)) | (b+a*)(d?+dd) | aaaaaabb | aaaaabda |
1,283 | a*+a*+(b+c)c* | 12 | 3 | b?c*+a* | 8 | 3 | b+b?cc*+a* | (c+a?)(b+c)* | bcccc | ba |
1,284 | c*d*+(c+c)cd | 13 | 3 | c*d* | 5 | 2 | (c?(c+dd)+c*)d* | c*d*+c+d+d? | ccccdcc | |
1,285 | a*?(b+d)(c+d) | 11 | 3 | a*(b+d)(c+d) | 10 | 3 | (d+a*(b+ad))(c+d) | (a+a+c*)(b+d+d?) | bc | aaacaadd |
1,286 | a**+a*d* | 9 | 3 | a*d* | 5 | 2 | a*d?(d(dd)*)? | a*a?(d*+dd) | aaaddd | aaaddad |
1,287 | (a?+b+b)(b+d)d* | 13 | 3 | (a+b)?(b+d)d* | 11 | 4 | b+(d+(a+b)(b+d))d* | ad+dd+b*d* | bddddd | bbdddbdd |
1,288 | b*bbd*d? | 12 | 3 | bbb*d* | 9 | 3 | bb((d+b*b)d*)? | b*(bd+d*) | bbbbbbdd | bbdb |
1,289 | b?c*+b?+d* | 11 | 3 | b?c*+d* | 8 | 3 | (b+(b+c)c)?c*+d* | b??(b+d+c*) | ddddddd | dbcccc |
1,290 | (a+a)ac+(a+b)* | 12 | 3 | aac+(a+b)* | 10 | 3 | a(a(a+c))?+(a+b)* | (a*+a+a)(a+b)(a+c) | bbababab | bcbbab |
1,291 | b*(c+c)c*? | 10 | 3 | b*c*c | 7 | 3 | (bb)*b?(b+c*)c | b?b?c** | bbbcccc | bbbcbccc |
1,292 | (a+c*)b*(d+d) | 11 | 3 | (a+c*)b*d | 9 | 4 | (a+(a?b+c*)b*)d | (a+b+b+d)c*c* | abbbbbd | abbbbbdc |
1,293 | a*d*+b+b+d* | 12 | 3 | b+a*d* | 7 | 3 | b+a?(ad+a*)d* | (d+d*)(a?+b*) | aaaaa | dad |
1,294 | (a?+ac)(b?+c*) | 12 | 3 | (ac?)?(b+c*) | 10 | 4 | ac+(ac?)?(b+c*) | (c+a?)(b*+c?) | ccccccc | acccccca |
1,295 | b*d*+bdd* | 12 | 3 | b*d* | 5 | 2 | b(b+dd)+b*d* | b?d*(bd+d?) | bb | ddddbd |
1,296 | (a+a)d*(b+c)* | 11 | 3 | ad*(b+c)* | 9 | 3 | a(d*(b+c)*+(bb)*) | (a?+a+c)(b+b+d*) | adbccbc | adcacbbc |
1,297 | a?c?(c*+d+d) | 12 | 3 | a?(c?d+c*) | 10 | 4 | cc+a?(c?d+c*) | (a+c+c*)d*d* | ad | cacccc |
1,298 | (bc+c+d)(d+d)* | 12 | 3 | (d+b?c)d* | 9 | 4 | bc+(d+b?c)d* | b**(cc+d*) | dddddddd | bcdbd |
1,299 | b*c?(c+d)* | 10 | 3 | b*(c+d)* | 7 | 3 | bd+b*(c+d)* | (b?+d?)(b+c+c*) | dddddcc | cccdcbd |
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