Commonly used regular expressions in PHP to verify username, password, Email, Url, etc.

class Verify{
/**
 * Verify username
 * @param string $value
 * @param int $length
 * @return boolean
*/
    public static function isNames($value, $minLen=2, $maxLen=20, $charset='ALL'){
        if(empty($value))
            return false;
        switch($charset){
            case 'EN': $match = '/^[_wd]{'.$minLen.','.$maxLen.'}$/iu';
                break;
            case 'CN':$match = '/^[_x{4e00}-x{9fa5}d]{'.$minLen.','.$maxLen.'}$/iu';
                break;
            default:$match = '/^[_wdx{4e00}-x{9fa5}]{'.$minLen.','.$maxLen.'}$/iu';
        }
        return preg_match($match,$value);
    }

    /**
 * Verification password
 * @param string $value
 * @param int $length
 * @return boolean
*/
    public static function isPWD($value,$minLen=5,$maxLen=16){
        $match='/^[\~!@#$%^&*()-_=+|{}[],.?/:;'"dw]{'.$minLen.','.$maxLen.'}$/';
        $v = trim($value);
        if(empty($v))
            return false;
        return preg_match($match,$v);
    }

    /**
 * Verify eamil
 * @param string $value
 * @param int $length
 * @return boolean
*/
    public static function isEmail($value,$match='/^[wd]+[wd-.]*@[wd-.]+.[wd]{2,10}$/i'){
        $v = trim($value);
        if(empty($v))
            return false;
        return preg_match($match,$v);
    }

    /**
 * Verification phone number
 * @param string $value
 * @return boolean
*/
    public static function isTelephone($value,$match='/^0[0-9]{2,3}[-]?d{7,8}$/'){
        $v = trim($value);
        if(empty($v))
            return false;
        return preg_match($match,$v);
    }

    /**
 * Verify mobile phone
 * @param string $value
 * @param string $match
 * @return boolean
*/
    public static function isMobile($value,$match='/^[(86)|0]?(13d{9})|(15d{9})|(18d{9})$/'){
        $v = trim($value);
        if(empty($v))
            return false;
        return preg_match($match,$v);
    }
    /**
 * Verify zip code
 * @param string $value
 * @param string $match
 * @return boolean
*/
    public static function isPostcode($value,$match='/d{6}/'){
        $v = trim($value);
        if(empty($v))
            return false;
        return preg_match($match,$v);
    }
    /**
 * Verify IP
 * @param string $value
 * @param string $match
 * @return boolean
*/
    public static function isIP($value,$match='/^(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[1-9]).(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[1-9]|0).(25[0-5]|2[0-4][0-9]|[0-1]小贝[0-9]{2}|[1-9]小贝[0-9]小贝|[0-9])$/'){
        $v = trim($value);
        if(empty($v))
            return false;
        return preg_match($match,$v);
    }

    /**
 * Verify ID number
 * @param string $value
 * @param string $match
 * @return boolean
*/
    public static function isIDcard($value,$match='/^d{6}((1[89])|(2d))d{2}((0d)|(1[0-2]))((3[01])|([0-2]d))d{3}(d|X)$/i'){
        $v = trim($value);
        if(empty($v))
            return false;
        else if(strlen($v)>18)
            return false;
        return preg_match($match,$v);
    }

    /**
 * *
 * Verification URL
 * @param string $value
 * @param string $match
 * @return boolean
*/
    public static function isURL($value,$match='/^(http://)?(https://)?([wd-]+.)+[w-]+(/[dw-./?%&=]*)?$/'){
        $v = strtolower(trim($value));
        if(empty($v))
            return false;
        return preg_match($match,$v);
    }
}
?>

正则表达式, php, Url