'use strict';
/** @class RegExp */
var
RegExpProto = RegExp.prototype;
var specials = /(\/|\.|\*|\+|\?|\||\(|\)|\[|\]|\{|\}|\\)/g;
/**
* Escapes the given string so it can be used inside of a regular expression.
* @param {String} string
* @returns {String}
*/
RegExp.escape = function (str) { return str.replace(specials, "\\$1"); };
/**
* Returns a string representing RegExp's flags (g, i, m).
* @alias RegExp#flags
* @returns {String}
*/
RegExpProto.flags = function () {
return "g".substr(0, +this.global) + "i".substr(0, +this.ignoreCase) + "m".substr(0, +this.multiline);
};