Regex check for e-mail address, url and phone number in given string.

email_url_phone_check.php

public static function findEmail($string)
    {
        $pattern = '/[a-z0-9_\-\+]+@[a-z0-9\-]+\.([a-z]{2,4})(?:\.[a-z]{2})?/i';
        preg_match_all($pattern, $string, $matches);

        return (count($matches[0]) > 0);
    }

    public static function findUrl($string)
    {
        $pattern = '@((https?://)?([-\w]+\.[-\w\.]+)+\w(:\d+)?(/([-\w/_\.]*(\?\S+)?)?)*)@';
        preg_match_all($pattern, $string, $matches);

        return (count($matches[0]) > 0);
    }

    public static function findPhone($string)
    {
        $pattern = '/[0-9\(\) ]{7,18}/i';
        preg_match_all($pattern, $string, $matches);

        return (count($matches[0]) > 0);
    }