JAVASCRIPT

check if a date time string is a valid date in js

const isValidDate = function(date) {
    return (new Date(date) !== "Invalid Date") && !isNaN(new Date(date));
}

javascript check if string is valid date using Date constructor

const isDate = (str) => {
  return (new Date(str) !== "Invalid Date") && !isNaN(new Date(str));
}

console.log(isDate('2020-01-01'))
console.log(isDate('abc'))

javascript validate date

var date_regex = /^(0[1-9]|1[0-2])/(0[1-9]|1d|2d|3[01])/(19|20)d{2}$/;
if (!(date_regex.test(testDate))) {
    return false;
}