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 |
|---|---|---|---|---|---|---|---|---|---|---|
200 | (b+c)*+c?+d* | 10 | 3 | d*+(b+c)* | 7 | 3 | (b+c(b+c))*c*+d* | (b*+d*)(c?+d*) | bcbbcbbc | bcbccdcb |
201 | b*(b+c)(d?+d+d) | 13 | 3 | b*(b+c)d? | 9 | 3 | b*(b+c)d?+b?b | b*?c*d* | bbbbbbd | dcd |
202 | (a+c+cc)b*? | 11 | 3 | (a+cc?)b* | 9 | 4 | cb?+(a+cc?)b* | a*c*+b?+c+c | abbbb | aabbbbb |
203 | (a+d+c?)(d+d)* | 11 | 3 | (a+c)?d* | 7 | 3 | (a+c+c?dd)?d* | a*d?+a+c+d* | ddd | dddda |
204 | (a+d)*+c** | 8 | 3 | c*+(a+d)* | 7 | 3 | a*(a+d(a+d)*)+c* | (a*+a+a)(a+c+a+d) | dddaddad | ddadcaad |
205 | c*d?(d*+d*) | 11 | 3 | c*d* | 5 | 2 | (c(cd)?+c*)d* | c*d*(d+d+d+d) | ccccccd | cdccccd |
206 | (c+b?)a*(d+d) | 11 | 3 | (b+c)?a*d | 9 | 4 | (ca?+(b+c)?a*)d | (ab+c*)(d*+d?) | aaaaaaad | bb |
207 | a*a*(a*+b*) | 11 | 3 | a*b* | 5 | 2 | a*b*+b?(bb?)? | a*?b*(b+b) | aab | aabbbba |
208 | a*(b+b)(b+b+d?) | 13 | 3 | a*b(b+d)? | 9 | 3 | a*b(b+d)?+a?b | a?*b*(d+d) | abb | aababd |
209 | (b*+d+d)(c+c+d?) | 13 | 3 | (d+b*)(c+d)? | 9 | 3 | b*(c+d)?+d?(c+d) | b?d*+c*+d+d | bbbb | bdbbd |
210 | ac+bc+b*c* | 13 | 3 | ac+b*c* | 9 | 3 | (a+c+b*)c+b*c* | (a?+b+c)(b*+b*) | cbbb | |
211 | a+c+b*+(b+c)c* | 13 | 3 | a+b?c*+b* | 10 | 4 | a+b?(b*+c*) | (a+c?)(b?+c*) | bb | bbabbbbb |
212 | (b*+b?)(bc+b+d) | 13 | 3 | b*(d+bc?) | 9 | 4 | b*(d+bc?)+b?b | b*(b+b)(b+c+d*) | bb | dbbbbc |
213 | (a*+a+d)(b+c)* | 11 | 3 | (d+a*)(b+c)* | 9 | 3 | bc*+(d+a*)(b+c)* | cd*(a?+a+b) | aabbbbbc | dabbb |
214 | (a*+b*)a?? | 9 | 3 | b*a?+a* | 8 | 3 | (aa+b*+(aa)*)a? | (a?+b*)(a+b)b* | bbbbbba | abbbbbbb |
215 | (a+b)*(b+b+b+c) | 12 | 3 | (a+b)*(b+c) | 8 | 3 | (a+b)*(b+c) | (a?+b+b)b*(b+c) | aaababbb | abbbbacb |
216 | (ab+d?)* | 7 | 3 | (d+ab)* | 6 | 3 | (ab)?(d+ab)*+d* | a*(a+d)+b*+bd | dabdabab | abdbd |
217 | (a+d)c*(b+b)? | 11 | 3 | (a+d)c*b? | 9 | 3 | (d+(a+dc)c*)b? | (a+b+d*)(c*+c?) | accccccb | cccccc |
218 | ad*(a+d+c*) | 11 | 3 | ad*(a+c*) | 9 | 3 | a(da+d*(a+c*)) | a**(c?+c+d) | adddccc | d |
219 | a*a?+b*c? | 11 | 3 | b*c?+a* | 8 | 3 | b*(c+b(b+c))?+a* | (a+a+c)b*c? | bb | bbcbbbbc |
220 | a*?+a*(b+c) | 10 | 3 | a*(b+c)? | 7 | 3 | aa?b+a*(b+c)? | (ac+c*)(b+b+c*) | aab | ba |
221 | acb*d** | 10 | 3 | acb*d* | 9 | 3 | ac(b*(b+d))?d* | a*(b+d)+a*+c* | acdd | cbb |
222 | (a+a*)(b*+c?) | 10 | 3 | a*(c+b*) | 7 | 3 | a*(c+(b+(bb)*)b?) | a?c?(a+b+b*) | bbbbb | abab |
223 | a+a+d?+(b+d)* | 11 | 3 | a+(b+d)* | 6 | 3 | a+d*(b+(b+d)d)* | (a+a)d*(b*+d*) | bbdbbb | bbaddbdb |
224 | (a*+a*)c*cd | 12 | 3 | a*c*cd | 9 | 4 | (ac+a*)c*cd | (a*+cc)(a+d)* | accccccd | aaaaccad |
225 | (c+cc)a*c* | 11 | 3 | cc?a*c* | 10 | 4 | c(ca)?a*c* | a*c?c?c? | caaaaacc | aca |
226 | b+b?+a*b* | 10 | 3 | a*b* | 5 | 2 | (aa+a*(a+b))?b* | a?b*(a+b)? | aaaaab | aabbabb |
227 | (a+b+c)b** | 9 | 3 | (a+b+c)b* | 8 | 3 | b+(a+c+bb)b* | (a+a)*+b*c* | bbbb | abbbbcb |
228 | b**(b+c+d+d) | 11 | 3 | b*(b+c+d) | 8 | 3 | c+b*(d+bc?) | (b?+d?)c*(c+c) | bbbbbc | bbbbbdb |
229 | (b+c)*c?(c+c) | 11 | 3 | (b+c)*c | 6 | 3 | (cb+b*c)*b*c | b?b?(c*+c*) | cccbbbcc | cbccccbb |
230 | a*b*+b?? | 9 | 3 | a*b* | 5 | 2 | ((b+aa*)b*)?b? | a*(b+b)+a?b* | bbbb | baaa |
231 | a*c?c?c? | 11 | 3 | a*c?(cc)? | 10 | 3 | a*((a+c?c)c?)? | a*acc*c? | aaaa | acac |
232 | (a+b)*+ad+c+d | 12 | 3 | c+a?(d+(a+b)*) | 11 | 5 | c+a?(d+(a+b)*) | (b+b*)(a+d+c+c) | abbbbba | bbaadb |
233 | a?b*(a+d+b*) | 12 | 3 | a?b*(a+d)? | 10 | 3 | a?b*(a+b+d)+b* | (a?+a+b)a?d* | abbd | abbbdbb |
234 | ca*(b+d+d?) | 11 | 3 | ca*(b+d)? | 9 | 3 | c(ab?+a*(b+d)?) | a*d*+b*+c? | cad | cbd |
235 | a**(b+c)(c+d) | 11 | 3 | a*(b+c)(c+d) | 10 | 3 | cc+a*(b+c)(c+d) | (a+a+ac)b*d? | aaaaaacd | adabc |
236 | a*(b+d)+b*+bb | 13 | 3 | a*(b+d)+b* | 9 | 3 | d+a*(b+ad)+b* | (a?+dd)(b*+b?) | b | bbbbab |
237 | b*bbd*d* | 12 | 3 | bbb*d* | 9 | 3 | bb(b*d*+b?d) | b*b*bdd* | bbbd | bdbbd |
238 | (b*+bd)d*dd | 13 | 3 | b*d*dd | 9 | 4 | (b*(b+d))?dd*d | (b*+bd)(d?+dd) | dddddd | bbbdddb |
239 | (a*+d*)(b+b+d*) | 12 | 3 | (a*+d*)(b+d*) | 10 | 3 | a*(b+d*)+d*b? | a**(a+b+d?) | aaaadd | aaddb |
240 | (a+c*)a*(a+a) | 11 | 3 | c*a*a | 7 | 3 | c*(cca?+a*)a | (a+a*)a?c* | ccaaaa | cccaacaa |
241 | a*aa(a?+c*) | 12 | 3 | aaa*c* | 9 | 3 | aa(a*(a+cc*))? | (a+c*)(a*+a+c) | aaaaacc | aaaaacac |
242 | (a?+d*)(c+c)d* | 12 | 3 | (a+d*)cd* | 9 | 4 | (cd+(a+d*)c)d* | (a?+aa)(c+c)d* | dcdd | acdaddd |
243 | (a+b)(c+d)(d*+d?) | 13 | 3 | (a+b)(c+d)d* | 10 | 3 | (bc+(a+b)(c+d))d* | (a+b*)(c+c+d?) | addd | addddadd |
244 | a*d?+b*b? | 11 | 3 | a*d?+b* | 8 | 3 | d+a*(ad?)?+b* | (a*+aa)(bd)* | aaaaaaa | aaaadad |
245 | b*?+b*c* | 9 | 3 | b*c* | 5 | 2 | b*(bc+c*)(cc)? | b*b?(b+c+c*) | bb | bbbccccb |
246 | b**b*c* | 9 | 3 | b*c* | 5 | 2 | (b+c)(cc)*+b*c* | (b*+c*)(c+c)? | bbbbbb | bcbcccc |
247 | a*b*+(d+d)* | 10 | 3 | a*b*+d* | 8 | 3 | a*b*+(dd)*d? | (a+a)*(b*+b+d) | aabbbbb | bbdb |
248 | c*d*+d?dd | 12 | 3 | c*d* | 5 | 2 | ((cc*+c?d)d*)? | c*d*(c?+c+d) | ccccd | dcccccd |
249 | cd*(a+b+d*) | 11 | 3 | cd*(a+b)? | 9 | 3 | cd?(d*(a+b+d))? | (a+b)c?c*(c+d) | cddda | bddddddb |
250 | (a+d+d*)b*d* | 12 | 3 | (a+d*)b*d* | 10 | 4 | (a+d*b)?b*d* | a*(a+b)+d*+d* | ddbdd | ddddbdda |
251 | (b*+bb)(b*+d*) | 12 | 3 | b*d* | 5 | 2 | (b*(b+ddd))?d* | b*d*(b?+dd) | dddddd | bdbd |
252 | (b?+c?)d*d* | 11 | 3 | (b+c)?d* | 7 | 3 | bd?+(c+bd)?d* | b?b?(c?+d*) | bddddddd | cddcdddd |
253 | a*a*c** | 9 | 3 | a*c* | 5 | 2 | (c+a*(ac)?)(cc)* | a*(a+c)(a+c+c+c) | aacccccc | accacc |
254 | (b+c+b+c)(b+d)c* | 14 | 3 | (b+c)(b+d)c* | 10 | 3 | (b+c)(bc+(b+d)c*) | db*(bc+c*) | cbccccc | ccccc |
255 | b**(b+d)(c+d) | 11 | 3 | b*(b+d)(c+d) | 10 | 3 | (d+bb*d?)(c+d) | (b*+b?)(c+d+d*) | bbbbdd | bbbbcdc |
256 | (a+a)*(cd+d*) | 11 | 3 | a*(cd+d*) | 9 | 3 | cd+a*((c+d*)d)? | a*c*+dd+dd | aadddd | aacacd |
257 | (b+b+c)a*(b+c) | 12 | 3 | (b+c)a*(b+c) | 10 | 3 | (b+c)(ab+a*(b+c)) | a*b*+a?+cc | cc | baabab |
258 | b*+a*(a+b) | 9 | 3 | a*b?+b* | 8 | 3 | (a+b*)b+a*(ab)? | bb?+a*b* | aaaaaaaa | abab |
259 | b*b?(c?+c+d) | 12 | 3 | b*(c+d)? | 7 | 3 | bbb+b*(c+d)? | (b+b)cd+(c+d)* | bbd | bbdbd |
260 | cc*(d+d)* | 9 | 3 | cc*d* | 7 | 3 | cc*d* | c*d*(cc+cc) | ccddd | dd |
261 | ((a+a)c?)* | 7 | 3 | (ac?)* | 5 | 3 | (a(c+(aac?)*))* | (a?+aa)(c+c)* | aacaaaaa | cacaaaca |
262 | a*+a+d+b*(b+d) | 13 | 3 | b*d?+a* | 8 | 3 | bb+b*(b+d)+a* | (d+a?)a*b? | bbbbbbd | abaa |
263 | a?d*(ac+c+c) | 13 | 3 | a?d*a?c | 10 | 4 | (a+(ad)?d*)a?c | (c+d*)a*? | ddc | acdc |
264 | bc*(b?+bc) | 11 | 3 | bc*(bc?)? | 10 | 4 | bc*((b+cc)c?)? | b*(b+c)+c*+c? | bcccccbc | cccc |
265 | b?d*+c*+c* | 11 | 3 | b?d*+c* | 8 | 3 | (b+d)d*+(cc)*c? | (b?+c?)(c+c)d* | bd | dccccccc |
266 | (a+d)d*+ad+b* | 13 | 3 | a?d*+b* | 8 | 3 | (ad*)?d?+b*+d* | (a+b+b?)(b*+d*) | bbbbbbb | adddbdd |
267 | (b*+b?)(b+d)c* | 12 | 3 | b*(b+d)c* | 9 | 3 | b*(d+b(bd)?)c* | (b*+b?)(bc+b+d) | bcccccc | bbdbd |
268 | a*?(b?+cc) | 10 | 3 | a*(b+cc)? | 9 | 4 | b+a*(ab+cc)? | a+a+b+b*c* | aaaaaaaa | aabaaa |
269 | (b+b+d+d)(b+c)c* | 14 | 3 | (b+d)(b+c)c* | 10 | 3 | (b+d)(bc+(b+c)c*) | (b*+b+c)b*d? | bc | bcccccbc |
270 | a*?(bb+d?) | 10 | 3 | a*(d+bb)? | 9 | 4 | aa?+a*(d+bb)? | (a?+d*)b*d? | aaaaaa | aaadaaad |
271 | a?d*(ac+d*) | 12 | 3 | a?d*(ac)? | 10 | 3 | (ad+a?d*)(ac)? | a*(c+c)(a+a+d*) | dddac | dcddac |
272 | (a+d)d*+b*+d* | 12 | 3 | a?d*+b* | 8 | 3 | a?d*+b* | (a+b+dd)d** | add | adbd |
273 | a*b?+a+a+d* | 12 | 3 | a*b?+d* | 8 | 3 | aaa+a*b?+d* | (a+a+d)b*(b+d) | aaaa | dab |
274 | (b+c+c*)(d+d)* | 11 | 3 | (b+c*)d* | 7 | 3 | b(dd)?+(b+c*)d* | (b+d)(c+d)(d+d)* | c | ccddcdd |
275 | c*d*(cc+cc) | 13 | 3 | c*d*cc | 9 | 4 | c*((c+d)d*)?cc | (c+c*)d?d? | cccccccc | ddddccd |
276 | (b+c+d*)(d*+d+d) | 13 | 3 | (b+c)?d* | 7 | 3 | (b+c)?(d+(ddd?)*) | b*b?(c*+d+d) | bdddddd | dddddc |
277 | (b+c+c)b?d* | 11 | 3 | (b+c)b?d* | 9 | 3 | (b+c)b?(dd)*d? | cd*(b+b+c*) | cbddd | cddddcdd |
278 | (a?+c?)(b+b)c* | 12 | 3 | (a+c)?bc* | 9 | 4 | c?b+(a+c)?bc* | c*(a?+a+b) | abccccc | cbccbccc |
279 | bdc*(d+d)* | 11 | 3 | bdc*d* | 9 | 3 | bd((d+cc*)d*)? | b*d*+bb+cc | bdcccccc | bbcddd |
280 | a*b?+ad+c+d | 13 | 3 | c+a?(d+a*b?) | 12 | 5 | c+a*b?+a?d? | (a?+a?)b*(c+d) | d | baaaa |
281 | (a+d*)(c*+d?) | 10 | 3 | (a+d*)(d+c*) | 9 | 3 | ad+(a+d*)(d+c*) | a+d+a+d+c*d* | ddcccc | ddccca |
282 | (a?+a+c)(b+b+d*) | 13 | 3 | (a+c)?(b+d*) | 9 | 3 | (a+c)?(b+d*)+(dd)* | a*a*(bd+c*) | dddddd | addddcd |
283 | (d+b*)(a*+c?) | 10 | 3 | (d+b*)(c+a*) | 9 | 3 | (d+(bb)*b?)(c+a*) | (a*+b*)a*cd | bbbbaa | daaabaaa |
284 | (d+d*)c*(c+d) | 11 | 3 | d*c*(c+d) | 9 | 3 | d*(dc+c*)(c+d) | cc*(d+d)* | ddddcc | cdcccd |
285 | a*+b*+a*(b+b) | 12 | 3 | a*b?+b* | 8 | 3 | bbb*+(b+a*)b? | (a?+aa)b** | a | aaabaa |
286 | (b+d?)a*(b+b) | 11 | 3 | (b+d)?a*b | 9 | 4 | (ba?+(b+d)?a*)b | a*(b+d)+b*+b+b | aaaaaaab | ddaaaab |
287 | (a?+a+a)(a+b)c* | 13 | 3 | a?(a+b)c* | 9 | 3 | ac+a?(a+b)c* | a?*(a+b)(a+c) | aac | bbccccc |
288 | a+c+a+d+b*c* | 13 | 3 | a+d+b*c* | 9 | 3 | a+d+cc?+b*c* | a*c*+(bd)? | cccccc | bbbbbba |
289 | (b+b)*bcc* | 11 | 3 | bb*c*c | 9 | 4 | bb*c*c | bc*(b?+bc) | bbbccccc | bbbbccb |
290 | b?d?(c*+cc) | 12 | 3 | b?d?c* | 8 | 3 | ((c+d)c+b?d?)c* | b*d*+bdc? | dc | dcb |
291 | (a+b)(a+c)b*b? | 13 | 3 | (a+b)(a+c)b* | 10 | 3 | (a+b)(a+c)b* | b*+(a+c)b* | babbbbbb | ababbbbb |
292 | a?*(a+b)(a+b) | 11 | 3 | a*(a+b)(a+b) | 10 | 3 | ba+a*(a+b)(a+b) | (a+a)*(a+b)b* | aaaab | abaabb |
293 | (ab+c*)(d*+d?) | 12 | 3 | (ab+c*)d* | 9 | 3 | (ab+c*d)d*+c* | (ad+b+c)d*? | cddd | abcdd |
294 | (d+d*)(ad+c?) | 11 | 3 | d*(c+ad)? | 9 | 4 | d*c?+(d*a)?d | d+a+c+(a+c)* | ddddad | cdc |
295 | a?d*+b*d* | 11 | 3 | (a+b*)d* | 7 | 3 | (a+(ad+b*)d*)d? | a*(b+b)(b+b+d?) | bbbbbbd | addddbd |
296 | b*d*(b+b+bd) | 13 | 3 | b*d*bd? | 10 | 4 | bd+b*d*bd? | (b*+b+b)(b+b+d*) | ddbd | ddbb |
297 | (a+d+c*)(b*+b+b) | 13 | 3 | (a+d+c*)b* | 9 | 3 | a+(d+a?b+c*)b* | a*c*+(b+d)? | ccccb | dbabbbb |
298 | (a*+d?)(c?+d?) | 11 | 3 | (d+a*)(c+d)? | 9 | 3 | (d+a*)(c+d)?+a*c | (a*+d*)c*(d+d) | aaaac | acad |
299 | bd*(a?+c?) | 10 | 3 | bd*(a+c)? | 9 | 3 | b(d*(a+c+d))? | (ab+c+d)(b*+b*) | bddddda | adda |
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