fork(1) download 
  1. import java.util.*;
  2. import java.util.regex.*;
  3.  
  4.  
  5. class rTest {
  6.   public static void main (String[] args) {
  7.  
  8.     String s  = "public class hello extends jframe";
  9.  
  10.     Pattern p = Pattern.compile("public\\s*class\\s+(\\S+)");
  11.     Matcher m = p.matcher(s);
  12.  
  13.     if (m.find()) {
  14.         System.out.println("found");
  15.         String className = m.group(1);
  16.         System.out.println(className);
  17.     }
  18.  
  19.   }
  20. }
Success #stdin #stdout 0.11s 321600KB
comments (?)
stdin 
Standard input is empty
stdout 
found
hello
https://ideone.com/IetKBn
language:
Java (HotSpot 12)
created:
10 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!