A set of libraries to validate and generate document numbers for a particular document and particular country.

• Portugal VAT (NIF) Number Validator
• Portugal NISS Number Validator
• Portugal Citizen Card Number Validator
• Portugal NIB Validator
• International Bank Account Number (IBAN) Validator

• Spain VAT Number Validator (DNI, NIE, and CIF)

• France VAT (TVA) Number Validator

• Brazil VAT Number Validator (CPF and CNPJ)

• AmericanExpress Validator
• Maestro Validator
• MaestroUK Validator
• Mastercard Validator
• VISA Validator
• VISAElectron Validator

• Portugal VAT (NIF) Number Generator
• Portugal NISS Number Generator
• Portugal Citizen Card Number Generator
• Portugal BankAccountNumber Generator

• Spain VAT Number Generator (DNI, NIE, and CIF)

• France VAT (TVA) Number Generator

• Brazil VAT Number Generator (CPF and CNPJ)

• AmericanExpress Generator
• Maestro Generator
• MaestroUK Generator
• Mastercard Generator
• VISA Generator
• VISAElectron Generator

Change log.

Check the unit tests projects, under /tests/ for usage,

    IDocumentNumberValidator visaPaymentCardValidator = new VisaPaymentCardValidator();
    var result = visaPaymentCardValidator.Validate(visacard);

    IDocumentNumberValidator validator = new VatValidator();
    bool validationResult = validator.Validate(nif);

• @masterzdran
• @joaomatossilva
• @MarcoEnxuto

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