# [Sprinque](https://www.sprinque.com/) JS UI library can help you integrate B2B payments. This package includes some reusable code we use in our team and can share with you if you found it useful. ## This package allows you to: ### Validate B2B company reg.number 1) Validate B2B company registration number; 2) Display error message translated to different languages; 3) Support different reg. number format per country; 4) Supported countries: 'nl', 'be', 'es', 'fr', 'de'. Example how it can be used ## Usage ### Script tag ```html Or ``` ### Import ```jsx import { checkRegNumber } from "b2b-sprinque-tools"; checkRegNumber('844815263', 'be', 'en') // {isValid: true, message: ''} checkRegNumber('invalid844815263', 'be', 'en') // {isValid: true, message: 'Registration number format should be like "071194951"'} ```