Matcher.find method : Matcher « Regular Expressions « Java Tutorial

1. Java Tutorial
2. Regular Expressions
3. Matcher

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class MainClass {
  public static void main(String args[]) {
    Pattern p = Pattern.compile("Java");

    String candidateString = "Java Java Java.";

    // Attempt to match the candidate String.
    Matcher matcher = p.matcher(candidateString);

    // loop though and display all matches
    while (matcher.find()) {
      System.out.println(matcher.group());
    }
  }
}