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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import java.util.regex.Matcher;
  7. import java.util.regex.Pattern;
  8.  
  9. /* Name of the class has to be "Main" only if the class is public. */
  10. class Ideone
  11. {
  12. 	public static void main (String[] args) throws java.lang.Exception
  13. 	{
  14. 		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
  15. 		System.out.println(replace(reader.readLine(), reader.readLine(), reader.readLine()));
  16. 	}
  17.  
  18. 	static String replace(String source, String from, String to) {
  19.         Matcher matcher = Pattern.compile(from).matcher(source);
  20.  
  21.         matcher.reset();
  22.         boolean result = matcher.find();
  23.         if (result) {
  24.             StringBuffer sb = new StringBuffer();
  25.             do {
  26.             	System.out.println(matcher.group()+" menyaem na "+to);
  27.                 matcher.appendReplacement(sb, to);
  28.                 result = matcher.find();
  29.             } while (result);
  30.             matcher.appendTail(sb);
  31.             return sb.toString();
  32.         }
  33.         return source;
  34.     }
  35. }
Success #stdin #stdout 0.08s 380224KB
comments (?)
stdin 
SOSI HUI BIDLO. HUI TVOEI MAMKE I TEBE
[H,U,I]{3}
LEDENEC
stdout 
HUI menyaem na LEDENEC
HUI menyaem na LEDENEC
SOSI LEDENEC BIDLO. LEDENEC TVOEI MAMKE I TEBE
https://ideone.com/7EBgP5
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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