RegexMatches01.java

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

public class RegexMatches01
{
   public static void main(String[] args)
   {
      Pattern expression =
         Pattern.compile("W.*\\d[0-35-9]-\\d\\d-\\d\\d");

      String string1 = "XXXX's Birthday is 05-12-75\n" +
         "YYYY's Birthday is 11-04-68\n" +
         "ZZZZ's Birthday is 04-28-73\n" +
         "WWWW's Birthday is 12-17-77";

      Matcher matcher = expression.matcher(string1);

      while (matcher.find())
      {
         System.out.println(matcher.group());
         String tmp=matcher.group();
         assert tmp.equals("WWWW's Birthday is 12-17-77");
      }
   }
}