remove unwanted commas in JavaScript

Question

I want to remove all unnecessary commas from the start/end of the string.

eg; google, yahoo,, , should become google, yahoo.

If pos

Answer 1

My take:

var cleanStr = str.replace(/^[\s,]+/,"")
                  .replace(/[\s,]+$/,"")
                  .replace(/\s*,+\s*(,+\s*)*/g,",")

This one will work with opera, internet explorer, whatever

Actually tested this last one, and it works!