DistroHard/node_modules/validator/es/lib/isVAT.js

import assertString from './util/assertString';
export var vatMatchers = {
  GB: /^GB((\d{3} \d{4} ([0-8][0-9]|9[0-6]))|(\d{9} \d{3})|(((GD[0-4])|(HA[5-9]))[0-9]{2}))$/,
  IT: /^(IT)?[0-9]{11}$/,
  NL: /^(NL)?[0-9]{9}B[0-9]{2}$/
};
export default function isVAT(str, countryCode) {
  assertString(str);
  assertString(countryCode);

  if (countryCode in vatMatchers) {
    return vatMatchers[countryCode].test(str);
  }

  throw new Error("Invalid country code: '".concat(countryCode, "'"));
}