note 30025 modified in function.preg-match by tix

just a little regexp that match correct ip address or network if they are structured as: xxx.yyy.yyy.yyy, (where xxx is a number between 1 and 254 and yyy a number between 0 and 254) preg_match("/^(((([1-9])|([1-9][\d])|((1[\d]{2})|(2[0-4] [\d])|(25[0-4])))(\.(([\d])|([1-9][\d])|((1[\d]{2})|(2[0-4] [\d])|(25[0-4])))){3})|(0(\.0){3}))$/",$ip); there is maybe (surely) a nicer way but this one works --was-- just a little regexp that match correct ip address or network if they are structured as: xxx.yyy.yyy.yyy, (where xxx is a number between 1 and 254 and yyy a number between 0 and 254) preg_match("/^(((([1-9])|([1,2][\d])|((1[\d]{2})|(2[0-4][\d]) |(25[0-4])))(\.(([\d])|([1,2][\d])|((1[\d]{2})|(2[0-4][\d]) |(25[0-4])))){3})|(0(\.0){3}))$/",$ip); there is maybe (surely) a nicer way but this one works http://www.php.net/manual/en/function.preg-match.php