In article <[EMAIL PROTECTED]>, [EMAIL PROTECTED] (Joshua E Minnie) wrote:
> Does anybody know of a good way to make sure that a string contains ONLY > certain characters. I tried using > ereg("[~`!@#$%^&*(){}-+=|\\/.,<>'\":;\[\]]", $string); but I get parse > errors. Besides that I only want the characters A-Za-z0-9_ in $string. Is > there is simpler way to ensure this rather than checking to see if any of > the characters I don't want are in there? if(preg_match("/\W/",$string)) { echo "Bad characters."; } <http://php.net/preg-match> <http://www.php.net/pcre.pattern.syntax> -- CC -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php