Re: Looking for an easier regex check...
| From: | Henrik Hansen | Date: | Mon, 29 Apr 2002 20:55:42 +0000 |
| Subject: | Re: Looking for an easier regex check... | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-95259@lists.php.net to get a copy of this message | ||
josh@acsurf.net (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?
well to correct the parse error you prolly want to escape these chars:
(){} to \(\)\{\}
maybe others, cant see any though.
--
Henrik Hansen