javascript regex validate years in range

Question

I have input field for year and I need a regex for validation it. I have such code: ^([12]\\d)?(\\d\\d)$. But I want allow to validate only years in certain range (

Answer 1

if you want to check for age between for example 18 or 70 I did it like this. my solution was

function yearRange(year) {
  let now = new Date().getFullYear();
  let age = now - Number(year);
  if (age < 18 || age > 70) return false;
  return true;
}