fork download 
  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.*;
  5. class Ideone
  6. {
  7. 	public static void main (String[] args) throws java.lang.Exception
  8. 	{
  9. 		String s = "7108898787654351"; // **0**********351
  10. 		System.out.println(s.replaceAll("(?<=.{3}|^.{0,1}).(?=.*...)", "*")); 
  11. 		System.out.println(s.replaceAll("(?<=.{3}|^|^.).(?=.*...)", "*")); 
  12. 	}
  13. }
Success #stdin #stdout 0.07s 33776KB
comments (?)
stdin 
Standard input is empty
stdout 
**0**********351
**0**********351
https://ideone.com/FXfOia
language:
Java (HotSpot 12)
created:
5 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!