Re: PCRE regexp bug ?

* Thus wrote Curt Zirzow (curt@zirzow.dyndns.org): > * Thus wrote tpc@csua.berkeley.edu (tpc@csua.berkeley.edu): > > > > I use preg_match to validate the Middle Initial field of a form and so far > > it works, except yesterday a user submitted a "0" (zero) as a middle > > initial! My regexp is: > > > > if (!empty($_POST[MI]) && (preg_match('/^[[:alpha:]]{1,1}$/', > > $_POST[MI]) == 0)) > > > > I tested it with 0-9 and my regexp catches every digit except 0. Curious... > > actaually 0-9 will never match that regexp. Oops after reading my post to your post I see that is what you wanted. sorry. the 0 problem can be fixed by checking strlen($_POST[MI]) or isset() instead of !empty(). Curt -- "I used to think I was indecisive, but now I'm not so sure."