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  1. import java.util.*;
  2. import java.util.regex.*;
  3. import java.lang.*;
  4. import java.io.*;
  5.  
  6. class Ideone
  7. {
  8. 	public static void main (String[] args) throws java.lang.Exception
  9. 	{
  10. 		 String str = "boy girl loop for get out boy girl left right";
  11. 		 Matcher m = Pattern.compile("\\b(girl)\\b|\\b(boy)\\b").matcher(str);
  12. 		 System.out.println( m.replaceAll(r -> r.group(2) != null ? "girl" : "boy") );
  13. 	}
  14. }
Success #stdin #stdout 0.08s 52076KB
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stdin 
Standard input is empty
stdout 
girl boy loop for get out girl boy left right
https://ideone.com/i8GLqF
language:
Java (HotSpot 12)
created:
3 years ago
visibility:
secret

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