lab/cacme/vendor/workerman/validation/library/Rules/Vowel.php
2024-08-05 22:57:28 +08:00

30 lines
585 B
PHP

<?php
/*
* Copyright (c) Alexandre Gomes Gaigalas <alganet@gmail.com>
* SPDX-License-Identifier: MIT
*/
declare(strict_types=1);
namespace Respect\Validation\Rules;
use function preg_match;
/**
* Validates whether the input contains only vowels.
*
* @author Henrique Moody <henriquemoody@gmail.com>
* @author Nick Lombard <github@jigsoft.co.za>
*/
final class Vowel extends AbstractFilterRule
{
/**
* {@inheritDoc}
*/
protected function validateFilteredInput(string $input): bool
{
return preg_match('/^[aeiouAEIOU]+$/', $input) > 0;
}
}