0 votes 0 votes Is there is any good method or procedure to solve this question? or else I have to try by brute force ,,,like try 1st 0,1,2,3... length string Daniyal89 asked Sep 18, 2018 Daniyal89 315 views answer comment Share Follow See all 7 Comments See all 7 7 Comments reply Show 4 previous comments Magma commented Sep 18, 2018 reply Follow Share No no same brute force...I just check whether my answer is correct or not 0 votes 0 votes Daniyal89 commented Sep 19, 2018 reply Follow Share @Magma u r right 0 votes 0 votes Hira Thakur commented Sep 19, 2018 reply Follow Share how many no of states in regular expression R1??? 0 votes 0 votes Please log in or register to add a comment.