HighSpeaker/vendor/workerman/validation/library/Rules/Roman.php
2022-12-24 22:10:40 +08:00

30 lines
721 B
PHP

<?php
/*
* This file is part of Respect/Validation.
*
* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
*
* For the full copyright and license information, please view the LICENSE file
* that was distributed with this source code.
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
/**
* Validates if the input is a Roman numeral.
*
* @author Alexander Wühr <wuehr@sc-networks.com>
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Jean Pimentel <jeanfap@gmail.com>
*/
final class Roman extends AbstractEnvelope
{
public function __construct()
{
parent::__construct(new Regex('/^(?=[MDCLXVI])M*(C[MD]|D?C{0,3})(X[CL]|L?X{0,3})(I[XV]|V?I{0,3})$/'));
}
}