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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Ideone {
  5. 	public static void main (String[] args) {
  6.     String str = "<Unable to fetch user info combination of dob=[20001231] and pan=[ABCD1234Z]>";
  7.     str = str.replaceAll("(?=[^\\[]+]).", "*");
  8.     System.out.println(str);
  9. 	}
  10. }
Success #stdin #stdout 0.04s 712192KB
comments (?)
stdin 
Standard input is empty
stdout 
<Unable to fetch user info combination of dob=[********] and pan=[*********]>
https://ideone.com/O72LJL
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
secret

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