How can I add a given char to a string after every 3 chars of a string?

Asked Jul 08 '20 at 01:54

Active Jul 08 '20 at 01:54

Viewed 26 times

I have a string of any length. I want a comma to be added after every 3 chars. How Can I do that? For example.

String num = "2000000000"; would become "2,000,000,000"

asked Jul 08 '20 at 01:54

this is in java – Jul 08 '20 at 01:54
Take a look at this [https://stackoverflow.com/a/3672738/7058111](https://stackoverflow.com/a/3672738/7058111) – Rio A.P Jul 08 '20 at 01:58
Perfect. thats what I was looking for. – Jul 08 '20 at 02:03

0 Answers0