类模式和匹配器。

import java.util.regex.Matcher;
/*
N o w  J a v a  .   c o m 提供
*/

import java.util.regex.Pattern;


public class Main

{

   public static void main(String[] args)

   {

      // create regular expression

      Pattern expression = 

         Pattern.compile("J.*\\d[0-35-9]-\\d\\d-\\d\\d");

      

      String string1 = "Jane's Birthday is 05-12-75\n" +

         "Dave's Birthday is 11-04-68\n" +

         "John's Birthday is 04-28-73\n" +

         "Joe's Birthday is 12-17-77";
/** 时 代 J a v a 公 众 号 提 供 **/

      // match regular expression to string and print matches