日期正则表达式yyyyMMdd

日期校验yyyyMMdd, 包括闰月等校验.

package com.xgcd;

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

/**
 * @Author: liangyadong
 * @Date: 2019/7/10 0010 15:25
 * @Description:
 */
public class BatchTest {
    public static void main(String[] args) {
        //正则表达式校验日期格式
        String date = "20050229";
        String eL = "(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})(((0[13578]|1[02])(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)(0[1-9]|[12][0-9]|30))|(02(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00))0229)";
        Pattern pat = Pattern.compile(eL);
        Matcher matcher = pat.matcher(date);
        boolean boo = matcher.matches();
        System.out.println(boo);// false
    }
}