UK Region and Country Codes: Complete ISO 3166-2:GB List

import { subdivision } from '@koshmoney/countries';
 
const all = subdivision.forCountry('GB');
console.log(all.length);  // 200+

import { subdivision } from '@koshmoney/countries';
 
const ukCountries = subdivision.forCountry('GB')
  .filter(s => s.type === 'Country' || s.type === 'Province');
 
// [
//   { code: 'GB-ENG', name: 'England', type: 'Country' },
//   { code: 'GB-NIR', name: 'Northern Ireland', type: 'Province' },
//   { code: 'GB-SCT', name: 'Scotland', type: 'Country' },
//   { code: 'GB-WLS', name: 'Wales', type: 'Country' },
// ]

import { subdivision } from '@koshmoney/countries';
 
subdivision.whereCode('GB-MAN');
// { code: 'GB-MAN', name: 'Manchester', type: 'Metropolitan district', countryCode: 'GB', regionCode: 'MAN' }
 
subdivision.where('GB', 'EDH');
// { code: 'GB-EDH', name: 'Edinburgh, City of', type: 'Council area', countryCode: 'GB', regionCode: 'EDH' }

import { subdivision } from '@koshmoney/countries';
 
subdivision.isValidCode('GB-ENG');      // true (England)
subdivision.isValidCode('GB-SCT');      // true (Scotland)
subdivision.isValidCode('GB-LON');      // false (not a valid code)
 
subdivision.isValidRegion('GB', 'WLS'); // true (Wales)

import { subdivision } from '@koshmoney/countries';
 
// Simple 4-option dropdown for UK countries
const ukCountryOptions = [
  { value: 'ENG', label: 'England' },
  { value: 'SCT', label: 'Scotland' },
  { value: 'WLS', label: 'Wales' },
  { value: 'NIR', label: 'Northern Ireland' },
];
 
// Or dynamically from data
const options = subdivision.forCountry('GB')
  .filter(s => s.type === 'Country' || s.type === 'Province')
  .map(s => ({
    value: s.code.split('-')[1],
    label: s.name,
  }));

import { postalCode } from '@koshmoney/countries';
 
postalCode.isValid('GB', 'SW1A 1AA');   // true (Westminster)
postalCode.isValid('GB', 'EC2R 8AH');   // true (City of London)
postalCode.isValid('GB', 'EH1 1YZ');    // true (Edinburgh)
postalCode.isValid('GB', '12345');       // false (not UK format)
 
postalCode.getName('GB');    // 'Postcode'
postalCode.getFormat('GB');  // 'AA9A 9AA'

import { country } from '@koshmoney/countries';
 
country.whereAlpha2('GB');
// { name: 'United Kingdom', alpha2: 'GB', alpha3: 'GBR', numeric: '826' }
 
country.isAlpha2('UK');  // false -- UK is not a valid ISO code

import { membership } from '@koshmoney/countries/membership';
 
membership.isEU('GB');       // false (left the EU)
membership.isSEPA('GB');     // true (still in SEPA)
membership.isEurozone('GB'); // false
membership.isSchengen('GB'); // false