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  1. import java.util.*;
  2. import java.lang.*;
  3.  
  4. class Main
  5. {
  6. 	public static void main (String[] args) throws java.lang.Exception
  7. 	{
  8. 		Scanner sc = new Scanner(System.in);
  9. 		String input = sc.nextLine();
  10. 		System.out.println(String.format("Before :'%s' ; after replace : '%s'", input , input.replaceAll("\\Gx?", "!").replaceAll("\\Gx?", "!")));
  11. 	}
  12. }
Success #stdin #stdout 0.06s 246080KB
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stdin
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abcdef
stdout
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Before :'abcdef' ; after replace : '!!abcdef'
https://ideone.com/j80TZ
language:
Java (HotSpot 12)
created:
13 years ago
visibility:
public

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