CPF / CNPJ Framework Methods that help you to check and format the special numbers of CPF and CNPJ. Help me a lot and I'm putting here to help other people. Example to use the code: //check CNPJ CPFCNPJ.IMain main1 = new CPFCNPJ.Main(); var resultCNPJ = main1.IsValidCPFCNPJ("55645180000150"); Console.WriteLine(resultCNPJ); //check CPF var resultCPF = main1.IsValidCPFCNPJ("90099299033"); Console.WriteLine(resultCPF); //format CPF or CNPJ formato = main.FormatCPFCNPJ("55645180000150", CPFCNPJ.Enum.TypeString.CNPJ);
$ dotnet add package CPFCNPJ-NET-6No README available.