Re: expressions

> if ($co_area != !ereg("([0-9]{3})",$co_area)) > { echo " * Area code must be 3 digital"; } I don't know anything about ereg and regex, so if there's an error in that part I won't be able to help with that, but I can tell you that ($something != !$something_else) is a double negative, it's like saying "I can't not program in PHP." You might as well say ($something == $something_else), save the obfuscation factor. Since you want to do something when ereg is false, you should say: if (!ereg(...)) { Do a bunch of stuff; }