note 36550 deleted from function.ereg by kennyt
| From: | kennyt@php.net | Date: | Wed, 26 Jan 2005 03:47:39 +0000 |
| Subject: | note 36550 deleted from function.ereg by kennyt | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-83960@lists.php.net to get a copy of this message | ||
Note Submitter: monkey(AT)greyledge.net
----
To detect non-alphanumeric characters (for new username/password validation, for instance):
if(ereg('[^A-Za-z0-9]', $username)){
echo "Usernames must contain only letters and numbers.";
}else{
echo "$username is a valid username.";
}