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<?php

/**
 * This file is part of PHPWord - A pure PHP library for reading and writing
 * word processing documents.
 *
 * PHPWord is free software distributed under the terms of the GNU Lesser
 * General Public License version 3 as published by the Free Software Foundation.
 *
 * For the full copyright and license information, please read the LICENSE
 * file that was distributed with this source code. For the full list of
 * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
 *
 * @see         https://github.com/PHPOffice/PHPWord
 *
 * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
 */

namespace PhpOffice\PhpWord\Escaper;

/**
 * @since 0.13.0
 *
 * @codeCoverageIgnore
 */
class RegExp extends AbstractEscaper
{
    const REG_EXP_DELIMITER = '/';

    protected function escapeSingleValue($input)
    {
        return self::REG_EXP_DELIMITER . preg_quote($input, self::REG_EXP_DELIMITER) . self::REG_EXP_DELIMITER . 'u';
    }
}