0 votes 0 votes closed with the note: duplicate of: https://gateoverflow.in/117894/ugcnet-dec2016-ii-31 Theory of Computation theory-of-computation regular-expression + – Prateek kumar asked Nov 16, 2017 closed Nov 17, 2017 by Rishabh Gupta 2 Prateek kumar 204 views comment Share Follow See 1 comment See all 1 1 comment reply Anu007 commented Nov 16, 2017 reply Follow Share https://gateoverflow.in/117894/ugcnet-dec2016-ii-31 0 votes 0 votes Please log in or register to add a comment.