Validates 2 & 3 character country codes.
composer require laravel-validation-rules/country-codesValidate a 2 character country code.
use LVR\CountryCode\Two;
$request->validate([
'country' => ['required', new Two],
]);Validate a 3 character country code.
use LVR\CountryCode\Three;
$request->validate([
'country' => ['required', new Three],
]);