var charactersWhichNeedToBeEscaped = /[.*+?^${}()|[\]\\]/g;


var escapeRegExp = function(string){
  return string.replace(charactersWhichNeedToBeEscaped, '\\$&');
}

module.exports = {
    escapeRegExp: escapeRegExp
};

@@ -90,16 +90,17 @@
 (string)
+ 
 %7B%0A  retu
@@ -159,16 +159,17 @@
 %5C$&');%0A%7D
+;
 %0A%0Amodule

Fix style in escaper.js.