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<?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; use function is_string; use function preg_match; /** * Validates version numbers using Semantic Versioning. * * @see http://semver.org/ * * @author Danilo Correa <danilosilva87@gmail.com> * @author Henrique Moody <henriquemoody@gmail.com> */ final class Version extends AbstractRule { /** * {@inheritDoc} */ public function validate($input): bool { if (!is_string($input)) { return false; } return preg_match('/^[0-9]+\.[0-9]+\.[0-9]+([+-][^+-][0-9A-Za-z-.]*)?$/', $input) > 0; } }