fork(5) download
copy 
  1. import java.util.regex.Matcher;
  2. import java.util.regex.Pattern;
  3.  
  4. public class Main {
  5.   public static void main(String[] argv) throws Exception {
  6.     Matcher m = Pattern.compile("(?:^|(?<=\\s))(?=(\\S+\\s+\\S+)(?=\\s|$))")
  7.       .matcher("word1 word2 word3 word4");
  8.     while (m.find()) {
  9.       System.out.println(m.group(1));
  10.     }
  11.   }
  12. }
Success #stdin #stdout 0.02s 245632KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
word1 word2
word2 word3
word3 word4
https://ideone.com/TIv5bT
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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!