fork download 
  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.util.regex.*;
  5. import java.lang.*;
  6. import java.io.*;
  7.  
  8. /* Name of the class has to be "Main" only if the class is public. */
  9. class Ideone
  10. {
  11. 	public static void main (String[] args) throws java.lang.Exception
  12. 	{
  13. 		Pattern p = Pattern.compile("(\\d)");
  14. 		String myString = "12345";
  15. 		Matcher matcher = p.matcher(myString);
  16.  
  17. 		if(matcher.find()) { // expecting 1
  18. 			System.out.println(matcher.group(1));
  19. 		}
  20. 		if(matcher.find()) { // expecting 2
  21. 			System.out.println(matcher.group(1));
  22. 		}
  23. 		if(matcher.find()) { // expecting 3
  24. 			System.out.println(matcher.group(1));
  25. 		}
  26. 		matcher.reset();
  27.  
  28.  
  29. 		if(matcher.find()) { // expecting 1
  30. 			System.out.println(matcher.group(1));
  31. 		}
  32. 	}
  33. }
Success #stdin #stdout 0.05s 4386816KB
comments (?)
stdin 
Standard input is empty
stdout 
1
2
3
1
https://ideone.com/A3mjN5
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
secret

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!