fork download
copy 
  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. 		String regex = "(?:https://(\\S*?)/v(\\S*?)/|\\G(?!^))([^/\\s]+)/?";
  12.         String string = "https://123/v1/a/b/";
  13.  
  14.         Pattern pattern = Pattern.compile(regex);
  15.         Matcher matcher = pattern.matcher(string);
  16.  
  17.         while (matcher.find()) {
  18.             for (int i = 1; i <= matcher.groupCount(); i++) {
  19.             	String grp = matcher.group(i);
  20.             	if (grp != null) {
  21.             		System.out.println("Group " + i + ": " + grp);	
  22.             	}
  23.             }
  24.         }
  25. 	}
  26. }
Success #stdin #stdout 0.14s 56220KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Group 1: 123
Group 2: 1
Group 3: a
Group 3: b
https://ideone.com/DIl7hF
language:
Java (HotSpot 12)
created:
2 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!