Java示例日期为正确格式

import java.util.ArrayList;

import java.util.List;

import java.util.regex.Matcher;

import java.util.regex.Pattern;



public class Main {

   public static void main(String args[]) {

      List dates = new ArrayList();

      dates.add("25/12/1990");

      dates.add("25/12/1990");

      dates.add("12/12/90");

      dates.add("05/02/1990");

      String regex = "^(1[0-2]|0[1-9])/(3[01]|[12][0-9]|0[1-9])/[0-9]{4}$";

      Pattern pattern = Pattern.compile(regex);



      for(Object date : dates) {

         Matcher matcher = pattern.matcher((CharSequence) date);

         System.out.println(date +" : "+ matcher.matches());

      }

   }

}