RE: [PHP] Alphanumeric Strings
| From: | Samantha Savvakis | Date: | Thu, 14 Sep 2000 23:50:06 +0000 |
| Subject: | RE: [PHP] Alphanumeric Strings | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-16868@lists.php.net to get a copy of this message | ||
> if (ereg('[^ [:alnum:]]', $string)) {
> echo "Contains non-alphanumeric/space characters";
> } else {
> echo "Contains only alphanumerics and spaces";
> }
Hi, I just put this into my code, because I need something that checks for
alphanumeric values too. But it didn't allow for the underscore "_". So I
added that into the ereg line and it works with the underscore:
if (ereg('[^[:alnum:][_]]', $string))
{
blah
}
Sam