is-national-insurance-number
This module provides a function to validate UK National Insurance numbers.
It validates strings strictly (must be upper case, contain no spaces, dashes etc).
I recommend santising your input before validation.
Installing
npm install is-national-insurance-number --save
Example usage
const isNino = ; ; // true; // false
Using provided sanitiser:
const sanitiseNino = ; ; // AA112233A; // AA112233A; // AA112233A
Pull requests welcome!