[JS] Regex validate PIN code
2020. 11. 12.
www.codewars.com/kata/55f8a9c06c018a0d6e000132/train/javascript [ 문제 ] ATM machines allow 4 or 6 digit PIN codes and PIN codes cannot contain anything but exactly 4 digits or exactly 6 digits. If the function is passed a valid PIN string, return true, else return false. Examples: "1234" --> true "12345" --> false "a234" --> false [ 풀이 ] 2020.11.12 (1hour) function validatePIN (pin) { const num =..