Recent questions in Unknown Category

0 votes
0 answers
821
1 votes
0 answers
822
0 votes
1 answer
826
0 votes
1 answer
827
0 votes
1 answer
831
1 votes
1 answer
832
regular expression for " set of all strings over {a,b} in which there are at least two occurrences of b between any two occurrences of a ".
0 votes
0 answers
833
0 votes
0 answers
838
0 votes
0 answers
839
1 votes
3 answers
840