nigeria-validator/src/bvn.js

Validate and format common Nigerian data: phone numbers, BVNs, bank codes, etc.

// src/bvn.js
const isValidBVN = (bvn) => {
  const cleaned = bvn.replace(/\D/g, "");
  return /^\d{11}$/.test(cleaned);
};

module.exports = { isValidBVN };