Revision: 7005
Initial Code
Initial URL
Initial Description
Initial Title
Initial Tags
Initial Language
at July 1, 2008 09:37 by aristoworks
Initial Code
$string = "255.255.255.255";
if (preg_match(
'/^(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:[.](?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}$/',
$string)) {
echo "IP address is good.";
}
Initial URL
http://www.thejwalker.com
Initial Description
A simple method of validating an IP address using PHP and regular expressions
Initial Title
PHP (RegEx) IP Address Validation
Initial Tags
php, validation, ip
Initial Language
PHP