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  1. import java.util.*;
  2. import java.lang.*;
  3. import java.io.*;
  4. import java.util.regex.Matcher;
  5. import java.util.regex.Pattern;
  6.  
  7. class Ideone
  8. {
  9. 	public static void main (String[] args) throws java.lang.Exception
  10. 	{
  11. 		final String regex = "\\s*(.{30}[^.]*\\.|[^.]+$)";
  12. 		final String string = "The boy ate the apple. The sun is shining high in the sky. The answer to life the universe and everything is forty two, said the big computer.\n\n\n"
  13. 			 + "The boy ate the apple. The sun is shining high in the sky. The answer to life the universe and everything is forty two, said the big computer. This is a test and this is a test\n\n"
  14. 			 + "and this is a test.\n\n"
  15. 			 + "This is \n\n"
  16. 			 + "a test and then this is \n"
  17. 			 + "a test again. Test";
  18.  
  19. 		Pattern pattern = Pattern.compile(regex, Pattern.DOTALL);
  20. 		Matcher matcher = pattern.matcher(string);
  21.  
  22. 		while (matcher.find()) {
  23. 		    for (int i = 1; i <= matcher.groupCount(); i++) {
  24. 		        System.out.println("Group " + i + ": " + matcher.group(i));
  25. 		    }
  26. 		}
  27. 	}
  28. }
Success #stdin #stdout 0.04s 2184192KB
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stdin
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Standard input is empty
stdout
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Group 1: The boy ate the apple. The sun is shining high in the sky.
Group 1: The answer to life the universe and everything is forty two, said the big computer.
Group 1: The boy ate the apple. The sun is shining high in the sky.
Group 1: The answer to life the universe and everything is forty two, said the big computer.
Group 1: This is a test and this is a test

and this is a test.
Group 1: This is 

a test and then this is 
a test again.
Group 1: Test
https://ideone.com/H8prcf
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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