0 0 votes Is it regular {xy| x,y $\epsilon$ (0,1)* such that n0(x)=n1(y)} ? Theory of Computation regular-language + – junaid ahmad 306 views answer comment Share Follow Print See 1 comment 1 1 comment reply Anu007 commented Dec 5, 2017 i edited by Anu007 Dec 5, 2017 reply Follow flag yes regular, how when 1 comes take it under x and when 0 come take under y only which voilet rule' null, 1 (take in x) , 0 (take in y), 01, 1(take in x)0(take in y), 00(take in y), 11(take in x) etc language will be (0+1)* 2 2 replyShare Please log in or register to add a comment.