突然想起来还有这个博客= =随手加个日期判断正则

 1 package com.ztwywy.test;
 2 
 3 import java.util.regex.Matcher;
 4 import java.util.regex.Pattern;
 5 
 6 public class ZhengZe {
 7 
 8     public static void main(String[] args) {
 9         //
10         Pattern p = Pattern.compile("(\\d{4})-(\\d{1,2})-(\\d{1,2})");
11         Matcher m = p.matcher("admin.add.sss.2017-07-20");
12 
13         if (m.find()) {
14             System.out.println("日期:" + m.group());
15             System.out.println("年:" + m.group(1));
16             System.out.println("月:" + m.group(2));
17             System.out.println("日:" + m.group(3));
18         }
19     }
20 
21     public boolean isDate(String date) {
22         /**
23          * 判断日期格式和范围
24          */
25         String rexp = "^((\\d{2}(([02468][048])|([13579][26]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])))))|(\\d{2}(([02468][1235679])|([13579][01345789]))[\\-\\/\\s]?((((0?[13578])|(1[02]))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(3[01])))|(((0?[469])|(11))[\\-\\/\\s]?((0?[1-9])|([1-2][0-9])|(30)))|(0?2[\\-\\/\\s]?((0?[1-9])|(1[0-9])|(2[0-8]))))))";
26 
27         Pattern pat = Pattern.compile(rexp);
28 
29         Matcher mat = pat.matcher(date);
30 
31         boolean dateType = mat.matches();
32 
33         return dateType;
34     }
35 
36 }