NSNumberFormatter to format US Telephone Numbers

Question

I\'m trying to convert a string of numbers, entered by the user, into a sexy string like Phone.app on the iPhone. Here is the code I\'m using, which doesn\'t work (no specia

Answer 1

Well a phone number should be 10 characters(11 with the leading 1), so you should start by changing this:

[formatter setPositiveFormat:@"+# (###) ###-####"];

And speaking of the leading 1, you need to check for that too.