Hi all, what's the simplest way to check, whether a given string is a wellformed regular expression?
In the API there's just a "mkRegex" which does not make any checks, and the "matchRegex" which throws an exception when the regex isn't wellformed. So do I need the IO monad for checking a regex? Uwe _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe