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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.  
  15. 		final String regex = "^[LMR]*$";
  16. 		final String string = "MMMRMMMRMMLLMMK\n"
  17. 			 + "MMMRMMMRMMLLMM\n"
  18. 			 + "L\n"
  19. 			 + "M\n"
  20. 			 + "R\n";
  21.  
  22. 		final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
  23. 		final Matcher matcher = pattern.matcher(string);
  24.  
  25. 		while (matcher.find()) {
  26. 		    System.out.println("Full match: " + matcher.group(0));
  27. 		    for (int i = 1; i <= matcher.groupCount(); i++) {
  28. 		        System.out.println("Group " + i + ": " + matcher.group(i));
  29. 		    }
  30. 		}
  31.  
  32. 	}
  33. }
Success #stdin #stdout 0.1s 36192KB
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stdin
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Standard input is empty
stdout
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Full match: MMMRMMMRMMLLMM
Full match: L
Full match: M
Full match: R
https://ideone.com/9R1Vdf
language:
Java (HotSpot 12)
created:
4 years ago
visibility:
public

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