newsupernova/vendor/magento/framework/Validator/Alnum.php

<?php
/**
 * Alphanumerical validator
 *
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
namespace Magento\Framework\Validator;

class Alnum extends \Zend_Validate_Alnum implements \Magento\Framework\Validator\ValidatorInterface
{
}