Re: string filtering
| From: | phpc) | Date: | Fri, 27 Aug 2004 16:08:44 +0000 |
| Subject: | Re: string filtering | ||
| References: | 1 2 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-194906@lists.php.net to get a copy of this message | ||
John W. Holmes wrote:
To detect them: if(preg_match('/[^0-9a-zA-Z]/',$string)) { echo 'bad characters present'; } else { echo 'string okay'; }or (faster): if (!ctype_alnum($string)){
echo 'bad characters present';} else {
echo 'string okay';} Aaron