How to get rid of commas in regex output?

Question

JavaScript

How to get rid of commas in regex output?
What would be the numbers without (-) and commas

var str = "My number is: 122-325-557-907";
var reg = /([^-,])+/gi;
console.log(str.match(reg).toString());

The output is
My number is: 122,325,557,907

Answer 1

var str = "My number is: 122-325-557-907";
var reg = /([^-,])+/gi;
console.log(str.match(reg).join(""));