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  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6.  
  7.  
  8. class Ideone
  9. {
  10. 	public static void main (String[] args) throws java.lang.Exception
  11. 	{
  12. 		final String regex = "^# dev(?!2\\b)[0-9]+(?:\\R(?!# dev[0-9]).*)*";
  13. 		final String string = "# dev2\n"
  14. 			 + "SAMETEXT %{URI} ^dev2-00.XXX.XXX.XXX\n"
  15. 			 + "SAMETEXT %{URI}  ^/XXX/\n"
  16. 			 + "DIFFTEXT ^/XXX/(.*) https://X...content-available-to-author-only...X.XXX/XXX/$1 [X,Y]\n\n"
  17. 			 + "# dev1\n"
  18. 			 + "SAMETEXT %{URI} ^dev2-00.XXX.XXX.XXX\n"
  19. 			 + "SAMETEXT %{URI}  ^/XXX/\n"
  20. 			 + "DIFFTEXT ^/XXX/(.*) https://X...content-available-to-author-only...X.XXX/XXX/$1 [X,Y]\n\n"
  21. 			 + "# dev2\n"
  22. 			 + "SAMETEXT %{URI} ^dev2-00.XXX.XXX.XXX\n"
  23. 			 + "SAMETEXT %{URI}  ^/XXX/\n"
  24. 			 + "DIFFTEXT ^/XXX/(.*) https://X...content-available-to-author-only...X.XXX/XXX/$1 [X,Y]\n";
  25.  
  26. 		final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
  27. 		final Matcher matcher = pattern.matcher(string);
  28.  
  29. 		while (matcher.find()) {
  30. 		    System.out.println(matcher.group(0));
  31. 		}
  32. 	}
  33. }
Success #stdin #stdout 0.08s 34048KB
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Standard input is empty
stdout
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# dev1
SAMETEXT %{URI} ^dev2-00.XXX.XXX.XXX
SAMETEXT %{URI}  ^/XXX/
DIFFTEXT ^/XXX/(.*) https://X...content-available-to-author-only...X.XXX/XXX/$1 [X,Y]
https://ideone.com/x5PXZ9
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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