Shoutbox

I need some help with RegExp, for some reason the code bellow isn't working. Can someone please help me?

The code is basically meant to turn C:\David\eg.png to eg

code:

---

var re = new RegExp(".*\\(.*)\\.");
var FileBase = re.exec(MyString)[1];

---

It's simply just plain not working at all!

Thanks in advance,
David.