regex for numbers comma and space

Question

I have a text area and a user can input US zip codes in it separated by a comma or (comma and space).

It could be like 12345,45678, 89654

The following regex i

Answer 1

You can use:

var s='12345,45678, 12345';
var m = s.match(/^(?:\d{5},\s?)*\d{5}$/);