21 lines
425 B
PHP
21 lines
425 B
PHP
<?php
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/*
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* This file is part of Respect/Validation.
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*
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* (c) Alexandre Gomes Gaigalas <alexandre@gaigalas.net>
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*
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* For the full copyright and license information, please view the "LICENSE.md"
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* file that was distributed with this source code.
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*/
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namespace Respect\Validation\Rules;
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class Vowel extends AbstractRegexRule
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{
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protected function getPregFormat()
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{
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return '/^(\s|[aeiouAEIOU])*$/';
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}
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}
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