note 93016 modified in function.preg-match by danbrown
| From: | danbrown@php.net | Date: | Wed, 19 Aug 2009 19:49:07 +0000 |
| Subject: | note 93016 modified in function.preg-match by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-159650@lists.php.net to get a copy of this message | ||
The following function works well for validating ip addresses
<?php
function valid_ip($ip) {
return preg_match("/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])" .
"(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/", $ip);
}
?>
--was--
The following function works well for validating ip addresses
function valid_ip($ip) {
return preg_match("/^([1-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])" .
"(\.([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])){3}$/", $ip);
}
http://php.net/manual/en/function.preg-match.php