app\CertificateHandler::validateDomain PHP 메소드

validateDomain() 개인적인 메소드

private validateDomain ( $domain )
    private function validateDomain($domain)
    {
        return preg_match('~^([a-z0-9]+(-[a-z0-9]+)*\\.)+[a-z]{2,}$~i', $domain);
    }