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
500
(a+c+c+c)(c+d)*
12
3
(a+c)(c+d)*
8
3
(a+(cd)?c)(c+d)*
(a+c)*+c?d?
acccdcdd
aacddcdc
501
a?c*(c*+d+d)
12
3
a?c*d?
8
3
a?c*(d+cd?)?
(a+c)d*(a+d+d+d)
cccccccd
acccccdd
502
(a*+b*)(a+c+a+c)
13
3
(a*+b*)(a+c)
9
3
ac?+(a*+b*)(a+c)
a*c*+aa(b+c)
bbbbba
abaaaaaa
503
(a+c+c)b*(b+c)
12
3
(a+c)b*(b+c)
10
3
(a+c)(bb+b*(b+c))
(aa+c?)(b*+bb)
cbbbc
cbbbca
504
(d+b+b)c*d?
11
3
(b+d)c*d?
9
3
(b+d)(c*d?+(cc)*)
(bc+b+d)c*d?
dc
dcb
505
a?c*(bd+c*)
12
3
a?c*(bd)?
10
3
cc+a?c*(bd)?
(d+d*)(a+c+b*)
acbd
cccabd
506
(b+b*)(a?+d?)
10
3
b*(a+d)?
7
3
b?((bb)*(a+b+d))?
a*+bb+a*(b+d)
bbbbbbba
bdbbd
507
b**(c?+dd)
10
3
b*(c+dd)?
9
4
dd+b*(c+dd)?
(b+d+c?)c?*
bbbbbc
bbbddc
508
b*c?+b*cd
12
3
b*(cd?)?
8
4
b*(bbc+cd?)?
b*(b+d)+bc+c*
bbbb
bbcbbbcd
509
db*(bc+c*)
11
3
db*c*
7
3
db*(c+(ccc*)*)
(b+c+d*)(d*+d+d)
dbccc
dbbccbc
510
d+a+a+a*c*
11
3
d+a*c*
7
3
(d+a*(a+c)c*)?
d?+a*c*
ac
aacaa
511
(a+a?)(b+d)*
9
3
a?(b+d)*
7
3
ad*+a?(b+d)*
ab+b*+(b+d)d*
dbddbdd
abdabdbb
512
(a+c)(a+d)b*b*
13
3
(a+c)(a+d)b*
10
3
(a+c)(ab+(a+d)b*)
(a*+a?)(bc+b+d)
aabbbb
bdbb
513
b+c+d*+(b+d)*
11
3
c+(b+d)*
6
3
c+(b+(b*d)*)(d+b*)
(c+d?)(b*+d?)
bbbbbbd
bbbcdddb
514
(a+b+b?)(b*+d*)
12
3
(a+b)?(b*+d*)
10
3
(a+b)?(b*+d*)+b*
a*d*(ab+d?)
add
dbdddd
515
(b+b)*d*?
8
3
b*d*
5
2
(d+b*)(dd)*d?
(b*+d?)(bb+d*)
bdddddd
bdddddbd
516
(bc+c+d)d*d*
13
3
(d+b?c)d*
9
4
(d+b?c)d*
(b*+c+d)(b+b)*
bc
dbcddddd
517
(a*+a?)(a+c)(b+c)
13
3
a*(a+c)(b+c)
10
3
cb+a*(a+c)(b+c)
a?c*b?(c+c)
aaac
aacaaacc
518
(a*+ac)d*?
10
3
(ac+a*)d*
9
3
ad+(a(c+a*))?d*
a*a*(a+c+a+d)
aaaaaadd
aaacaadd
519
(a?+c+d)c*d?
12
3
(a+d)?c*d?
10
4
(a+c+d)?(c*(c+d))?
(a*+ac)(a+a+d*)
dccccc
cacccc
520
(a?+a+b)a?d*
12
3
((a+b)a?)?d*
10
4
ba+(a+b)?a?d*
(a+d)*+a+d+b?
bddddd
aabdddd
521
(a*+cc)(a+d)*
11
3
(cc)?(a+d)*
9
3
aa?+(cc)?(a+d)*
(a?+d*)(c+c)d*
daadaad
cacdaada
522
(a*+b+b)a*d*
12
3
b?a*d*
8
3
b?(add+a*)d*
(a*+a?)(b?+d*)
aaaaaaaa
aabaaad
523
b*+cc+b*d*
12
3
cc+b*d*
9
3
bb?+cc+b*d*
c+dd+(b+d)*
bd
dbbbddd
524
a?d*b?(c+c)
12
3
a?d*b?c
10
4
((a+d)d*)?(b+d)?c
(a?+ac)(b+d)*
ddddc
bac
525
(a*+a+d)b*d*
12
3
(d+a*)b*d*
10
4
bd+(d+a*)b*d*
d(a+d)+b*d*
dbdddddd
abdbb
526
(a+d)*(b*+c+c)
11
3
(a+d)*(c+b*)
9
3
(a+d)*(c+b*)+a*
(d+c*)(a+a+b*)
addaac
aadacddd
527
a*+d+d+c*d?
12
3
c*d?+a*
8
3
cc?+c*d?+a*
(a*+ad)(c*+c+c)
ccccccc
aaacaa
528
a*b*(bd+d+d)
13
3
a*b*d
7
3
(a*b*+a?bb)d
(a*+b+b)(a+d+b*)
abbbd
dabbbd
529
(a?+d+d)(a+c+c*)
13
3
(a+d)?(a+c*)
9
3
aa+(a+d)?(a+c*)
a*(d+d)+c*d?
ccccccc
dcaccccc
530
(b*+b*)(b+c+cd)
13
3
b*(b+cd?)
9
4
b(c+b*)+b*cd?
b?c*+c*+d*
bbbb
bbbdbcd
531
c*d*(c+c+cc)
13
3
c*d*c?c
10
4
(dd+c*d*)c?c
(c+c*)cd*
ccccdddc
dcccccdc
532
(a?+b*)b*(c+d)
12
3
a?b*(c+d)
9
3
a?(b*(c+d)+b?d)
ca*(b+d+d?)
abbbbbd
ba
533
c*d*+c?*
9
3
c*d*
5
2
(cd+c*)d*+c*d
(c+c)d*(c+d)*
ddddd
ccdccccc
534
(a*+d?)(b+d)*
10
3
a*(b+d)*
7
3
a*((bd*)*+(db*)*)
b*(a+a)d*
a
dbddaddd
535
(b+b+d)(a*+d*)
11
3
(b+d)(a*+d*)
9
3
da+(b+d)(a*+d*)
(a?+aa)(b?+d*)
baaaaaa
dad
536
b(a+a)a*d*
11
3
baa*d*
9
3
ba(ad+a*d*)
(a+b)b*b*(b+d)
badd
baadaaad
537
c*c*d*d?
11
3
c*d*
5
2
c*(ccdd+d*)
c*(c+d)+cc+d*
ccccdddd
dcddd
538
(ac+c*)(b+b+c*)
13
3
(ac+c*)(b+c*)
11
3
((a+c*)c)?(b+c*)
a*(a+b)+b+c+c*
ccb
acbccccc
539
a?+a+c+(b+c)*
11
3
a+(b+c)*
6
3
a+(bc*)*+(cb*)*
acc*+b*c*
ccccc
cbcca
540
a*b*(b+d)?
10
3
a*b*d?
8
3
a*(bb)*b?d?
(a+a?)(b+d)*
aaaaa
aabbdbbd
541
(a*+ad)(a+d+d*)
13
3
(ad+a*)(a+d*)
11
3
a(da?)?+a*d*
(a*+d*)(a?+d?)
aadd
aadddad
542
a*(b+b)c?*
10
3
a*bc*
7
3
(a+(aa)*)a?bc*
(a+b+bc)(b+b)*
bcc
aaaabccb
543
a?b?b*c?
11
3
a?b*c?
8
3
a(b+c)+a?b*c?
a+c+a*b*
bbbbbb
bcbc
544
(a+b*)(d*+d+d)
11
3
(a+b*)d*
7
3
(a+a?dd+b*)d*
(b+b*)(a+d)?
dddddd
dda
545
b**(b+c)c?
10
3
b*(b+cc?)
9
4
(b*(b+c)+b?b)c?
b*c*b?*
bbbb
bbbbcbb
546
(b+d)*+c+c+d*
11
3
c+(b+d)*
6
3
(c+(d+(b+d)*b)d*)?
b*d?(b+b+c+c)
dbbddd
ddbcddbd
547
(a*+a*)add*
12
3
aa*d*d
9
4
a(a?d+a*)d*d
(a+a*)(a+d+d*)
aaad
aaadaddd
548
(b*+b+d)(b*+c?)
12
3
(d+b*)(c+b*)
9
3
db*+(d+b*)c?
(b+d)c*+d*+d*
db
bdbbbbc
549
(a*+c+c)(c*+cd)
13
3
(c+a*)(cd+c*)
11
3
(c+a*)(cd+c*)+a*
(a+a)c?(a+d)*
aaaccccc
aaaaacad
550
(b+c+c)(b+c)d*
12
3
(b+c)(b+c)d*
10
3
(b+c)(bd+(b+c)d*)
(b+d)*+c+c+d*
cbddd
bbdcdddd
551
a*(c+c)(ab)*
11
3
a*c(ab)*
9
3
a*c(a(ba)*b)?
(a*+a*)(b+c+bc)
ac
aacaaaac
552
(c+c*)(a?+b+b)
11
3
c*(a+b)?
7
3
c*(a+b)?+(cc)*a
(a+b)*(bb+c?)
ccccccca
ccbcccca
553
a?b*a?(c+c)
12
3
a?b*a?c
10
4
(a?b*a?+b*)c
abb*(b?+c*)
abac
babbbc
554
(a+d)b?c*?
10
3
(a+d)b?c*
9
3
(ac+(a+d)b?)c*
(d+b+c)(a*+a?)
dbccccc
cdbcccc
555
a*c*+b**
9
3
a*c*+b*
8
3
(ac+a*)c*+b*
(a+b)*(b+b+b+c)
aaac
aaaacca
556
(a*+ab)b*(b+d)
13
3
a*b*(b+d)
9
3
a*(bb)*b?(b+d)
(a+b)*(a+d)?
bbbbbd
aaaadabd
557
a**(d*+d*)
9
3
a*d*
5
2
(ad+a*d*)(dd)*
(a*+a+a)aad*
adddd
adaaaad
558
a*b*+bc+c+c
13
3
a*b*+b?c
10
3
a*(ab+b*)+b?c
(a+b+b+c)(c+c)*
abbbbb
aaacbb
559
(a+d+cd)(c*+c?)
13
3
(a+c?d)c*
9
4
(a+c?d)c*+c?d
(a+c+d*)d*?
accccc
accca
560
a*add*d*
12
3
aa*d*d
9
4
a(ad?+a*d*)d
a*d*(a+a)d*
aaaaad
adaddd
561
(c+a*)a*(b+c)
11
3
c?a*(b+c)
9
3
(ca+c?a*)(b+c)
(a+b?)(a*+c?)
aaaaab
caabb
562
c*(c+d)+cc+d*
13
3
c*d?+d*
8
3
ccd+c*d?+d*
(c+c*)(c+d)d?
cccccd
cdddddd
563
a?*(a+c+b+d)
11
3
a*(a+b+c+d)
10
4
ad+a*(a+b+c+d)
(a*+c?)(b+b)d*
b
baaaaaad
564
(a+d*)(a?+b+b)
11
3
(a+d*)(a+b)?
9
3
ab?+(a+d*)(a+b)?
(a*+d?)(bd+d*)
ddddddda
bddddda
565
(a+c)(b+d)b*?
11
3
(a+c)(b+d)b*
10
3
ad+(a+c)(b+d)b*
(a+d)(c+c)+(b+c)*
cbbb
aadbb
566
(a+c)*+b+b+cd
12
3
b+cd+(a+c)*
10
3
b+c(d+ac)+(a+c)*
a*b*+b*+c+d
accac
caacba
567
(b+d)c*+d*+d*
12
3
(b+d)c*+d*
9
3
(b+d)c*+(ddd*)*
(b+c?)(d*+d+d)
ddddddd
bcccccd
568
(a+b+b*)(bc)*
11
3
(a+b*)(bc)*
9
3
(a+b*)(b(cb)?c)*
(a+a)c*+(a+b)*
b
bccbcbc
569
(d+a*)(d*+d+d)
11
3
a*d*
5
2
ad+(a?d+a*)d*
(aa)*(d*+dd)
add
ddaddd
570
a*+b+d+a*(b+d)
13
3
a*(b+d)?
7
3
d+a*(b+ad?)?
(a+a+d*)b**
ab
aadaaa
571
b?*+(b+c)c*
10
3
b?c*+b*
8
3
b?(b+cc*)+b*
(b*+c+c)(b*+c+c)
bccc
bcbcc
572
da*(a+d+c*)
11
3
da*(d+c*)
9
3
d(a*(a+d+c*c))?
(a+c)*+d*?
daaaacc
caaccccc
573
(a+d)?+(c+d)*
9
3
a+(c+d)*
6
3
a+c?(d+(c+d)c)*
a?c?(c*+d+d)
dcdcdd
ddddacc
574
(d+d*)(a+c+b*)
11
3
d*(a+c+b*)
9
3
bb+d*(a+c+b*)
a*b*+bb+cd
ddddddb
ddcddd
575
a*(d+d)+c*d?
12
3
(a*+c*)d+c*
10
4
aa*d+c*d?
(a+c)d*+ad+d*
aaaaaad
cdccc
576
(a?+d+d)(b?+c*)
12
3
(a+d)?(b+c*)
9
3
ac+(a+d)?(b+c*)
ac+bc+(c+d)*
acccc
dacccccc
577
c*(a*+a+d)
9
3
c*(d+a*)
7
3
c*(d+a*)+(cc)*
(a+d+c?)(c*+c*)
caaaaaa
aaaad
578
a**(c?+c+d)
10
3
a*(c+d)?
7
3
a*(c+d)?+a?c?
(a+d)*(c*+d+d)
ad
aaaadaa
579
(aa+d?)*
7
3
(d+aa)*
6
3
(d+aa)*((aa)?d)?
(a+a+a)(a+d)*
daaddd
daaaada
580
(a+a+d?)b*b?
12
3
(a+d)?b*
7
3
(a+d)?b*+(bbb)*
(a+b)(a+b)(d*+dd)
bbbbbbb
bba
581
(a+a)*(a+b)b*
11
3
a*(a+bb*)
9
4
ab+(b+a*a)b*
(a*+a+b)(a+a)b*
bbb
abaaaaa
582
(b+a+d)(b+b*)
10
3
(a+b+d)b*
8
3
a+d+(a+d)?b*b
(a+d+b+d)(b*+bb)
bbbbbbbb
bbabbbbb
583
abb*c*c*
12
3
abb*c*
9
3
abb*((b+c)c*)?
(a*+c?)(ab)*
abbcc
bccccc
584
a*(a+c+cc)
10
3
a*(a+cc?)
9
4
a*(a(cc)?+c?c)
(a*+a*)c?*
aa
accc
585
(a?+ab)(b*+b+c)
13
3
(ab?)?(c+b*)
10
4
a?b*+(ab?)?c?
(ac+b*)*
abbb
ababbb
586
d+a*+a*d*
10
3
a*d*
5
2
(d+a*a)d*+(aa)*
ad*(a*+dd)
aaaaadd
aaadaaad
587
(a*+c*)c?*
9
3
a*c*
5
2
cccc?+a*c*
a?(a+a)a?c*
aaaccccc
aaaacac
588
a?(c+c)b*c?
12
3
a?cb*c?
10
4
a?c(c+b*(bc)?)
a?b?b*c?
cbbbc
cbbbbbcb
589
(a*+b?)a*(b+d)
12
3
b?a*(b+d)
9
3
(aa+b?a*)(b+d)
a*b*(b+d)?
aaaaaaab
aadaab
590
a*b*+(bb)?
10
3
a*b*
5
2
a*(a(a+b)+b*)
a*b*(a+b+a+b)
aa
aaabaab
591
a**a?b*
9
3
a*b*
5
2
((b+a*a)b*)?
a?*(a+b)(a+b)
abbbbbb
abbba
592
a+a+a+d+(c+d)*
12
3
a+(c+d)*
6
3
a+c?(d+(c+d)c)*
(c+d?)(a*+a?)
cdccccdd
cddcdca
593
(b+b)d?(c*+d*)
12
3
b(d?c*+d*)
10
4
b(d?cc*+d*)
(d+d*)(b+c+c*)
bccccccc
bddcdd
594
a?(b+c)(d*+d?)
12
3
a?(b+c)d*
9
3
bd?+a?(b+c)d*
a+a+b*+b*(c+d)
c
acc
595
c?c?(d*+d?)
11
3
c?c?d*
8
3
(c?(cd+(c+d)d*))?
c(d+d)c*d*
cd
cdddddc
596
(a+a+a)(a+d)*
10
3
a(a+d)*
6
3
(ad+a*)a(da*)*
a*d*+a+d+dd
aaddaddd
ddddadda
597
(a+d+c*)c?*
10
3
(a+d)?c*
7
3
(a+d)c*+(d+c*)c?
(a+a+c*)d*d*
dcccccc
acccccca
598
(c+c+cc)(c+d)*
12
3
c(c+d)*
6
3
c((d+(c+d)*c)d*)?
c*d*d??
ccdddccd
dddcd
599
(a+b)c?c*(c+d)
13
3
(a+b)c*(c+d)
10
3
(a+b)(cd+c*(c+d))
a*(b+c)(b+d+b+d)
acccd
accca