3 ms·You are right it should be ^ [a-z] [a-z0-9]* @ [a-z]+ \. [a-z]+ $ like someone else pointed out.by asperous 13y agoYou are right it should be ^ [a-z] [a-z0-9]* @ [a-z]+ \. [a-z]+ $ like someone else pointed out.