regex to match number comma number

Question

This is what I have right now:

^[0-9]([,][0-9])?$

My problem is that i want to be able add more than one digit before and after my comma. <

Answer 1

Use + sign, and also remove [] brackets around ,(they are not neccessary):

^[0-9]+(,[0-9]+)?$
  //  ^-------^---------here they are