JavaScript 日期正则表达式 DDMMYYYY

JavaScript日期格式化

javascript
var dateRegex = /^\d{2}\/\d{2}\/\d{4}$/;

javascript
var dateRegex = /^\d{2}\/\d{2}\/\d{4}$/;
var date1 = "31/12/2021";
var date2 = "2021/12/31";
var date3 = "12/31/2021";
console.log(dateRegex.test(date1)); // true
console.log(dateRegex.test(date2)); // false
console.log(dateRegex.test(date3)); // false
var match = date1.match(dateRegex);
if (match) {
  var day = match[0].split("/")[0];
  var month = match[0].split("/")[1];
  var year = match[0].split("/")[2];
  console.log("Day: " + day); // 31
  console.log("Month: " + month); // 12
  console.log("Year: " + year); // 2021
}