title: Regular expression for strings with even number of a's and odd no of b's
body: <p>Im having a problem in solving the problem:-
  Its an assignment, i solved it, but it seems to be too long and vague, Can anyboby help me please......</p>
  
  <p>Regular expression for the strings with even number of a's and odd number of b's where the character set={a,b}.</p>