On Wed, 2003-10-22 at 09:48, Wade Preston Shearer wrote: > i have a form where the user must enter a 10 digit number, with no > exceptions. > > so, i am trying to add some code to the PHP script that will validate > that the entered string is good... and, if good... proceed, but if > bad... print out an error with instructions. > > so far, i am using strlen to make sure that it is indeed 10 characters > long. > > next, i am not sure how to proceed. preg_match is a good way to check > for characters, but it doesn't seem very good to have a preg_match line > for every conceivable character other than numbers. > > is there a string search function that says simply checks if the > characters within are numeric?
You want to learn regular expressions. It will make your life better.
They are extremely flexible. Not only can the perform validation, but
also transformation. I don't feel like reading the PHP documentation at
the moment, so you'll have to adapt for implementation quirks, but you
want something like /^\d{10}$/.
--
Stuart Jansen <[EMAIL PROTECTED], AIM:StuartMJansen>
Programming in Java feels like C without the sense of accomplishment.
signature.asc
Description: This is a digitally signed message part
_______________________________________________ newbies mailing list [EMAIL PROTECTED] http://phantom.byu.edu/cgi-bin/mailman/listinfo/newbies
