Use find() to find a subsequence. : Pattern « Regular Expressions « Java Tutorial

1. Java Tutorial
2. Regular Expressions
3. Pattern

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

class RegExpr2 {
  public static void main(String args[]) {
    Pattern pat = Pattern.compile("Java");
    Matcher mat = pat.matcher("Java 2");

    System.out.println("Looking for Java in Java 2.");

    if (mat.find())
      System.out.println("subsequence found");
    else
      System.out.println("No Match");
  }
}