<?php

class Qs_Validate_Url extends Zend_Validate_Regex
{
    protected $_pattern = '/^(http|ftp)(s)?:\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i';
    protected $_messageTemplates = array(
        self::NOT_MATCH => "Incorrect URL format"
    );

    public function __construct()
    {
    }
}