A simple pattern matching demo. : Pattern « Regular Expressions « Java Tutorial

1. Java Tutorial
2. Regular Expressions
3. Pattern

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

class RegExpr {
  public static void main(String args[]) {
    Pattern pat;
    Matcher mat;
    boolean found;

    pat = Pattern.compile("Java");
    mat = pat.matcher("Java");

    found = mat.matches(); 

    if (found)
      System.out.println("Matches");
    else
      System.out.println("No Match");

    mat = pat.matcher("Java 2"); 

    found = mat.matches(); 

    if (found)
      System.out.println("Matches");
    else
      System.out.println("No Match");
  }
}