/**
* @external RegExp
* @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp
*/
(function() {
// var Break = $$.ns('util.control.Break');
// var End = $$.ns('util.control.End');
/**
* Regualar Expression for escape string
* @private
* @type {external:RegExp}
*
* @memberOf external:RegExp
*
* @see {@link http://regexper.com/#%2F%5B.*%2B%3F%5E%24%7B%7D()%7C%5B%5C%5D%5C%5C%5D%2Fg|Regexper.com}
*/
var regExpEscape = /[.*+?^${}()|[\]\\]/g;
/**
* escape all regular expression characters in the given string for inlude in a regular espression
* @function external:RegExp.escape
*
* @param {external:String} str the string to escape
*
* @return {external:String} escaped string
*
* @see https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Regular_Expressions
*
* @example
* RegExp.escape('a.b'); // 'a\\.b'
*/
RegExp.escape = RegExp.escape || function( str ) {
return str.replace( regExpEscape, "\\$&");
};
})(Crisp);