"use strict"; /* Copyright 2019 Google LLC Use of this source code is governed by an MIT-style license that can be found in the LICENSE file or at https://opensource.org/licenses/MIT. */ // From https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Regular_Expressions module.exports = str => str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');