I'm trying to write a RegExp in GoogleScript. The expression I have written seems to always return null.
It works fine in online RegExp testers.
var number = '(123) 456-7890';
var regExp = new RegExp("/\(\d\d\d\) \d\d\d-\d\d\d\d", "g");
var a = regExp.exec(number);
Logger.log(a);