https://github.com/jfelipearaujo/cpfcnpj

Package responsible to check if a CPF or CNPJ is valid or not
https://github.com/jfelipearaujo/cpfcnpj

alphanumeric cnpj cpf golang valid validation

Last synced: 17 days ago
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Package responsible to check if a CPF or CNPJ is valid or not

• Host: GitHub
• URL: https://github.com/jfelipearaujo/cpfcnpj
• Owner: jfelipearaujo
• License: mit
• Created: 2024-12-18T00:51:35.000Z (4 months ago)
• Default Branch: main
• Last Pushed: 2024-12-18T13:02:39.000Z (4 months ago)
• Last Synced: 2025-04-05T20:53:57.163Z (20 days ago)
• Topics: alphanumeric, cnpj, cpf, golang, valid, validation
• Language: Go
• Homepage: https://jsfelipearaujo.com/
• Size: 17.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# cpfcnpj

[![tests](https://github.com/jfelipearaujo/cpfcnpj/actions/workflows/tests.yml/badge.svg)](https://github.com/jfelipearaujo/cpfcnpj/actions/workflows/tests.yml)

[![version](https://img.shields.io/github/v/release/jfelipearaujo/cpfcnpj.svg)](https://github.com/jfelipearaujo/cpfcnpj/releases/latest)

[![license](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/jfelipearaujo/cpfcnpj/blob/main/LICENSE)

Package responsible to check if a CPF or CNPJ is valid or not.

NOTE: This package is able to handle the new **alphanumeric** format of CNPJ that is expected to be used in Brazil in July 2026.

Click [here](https://www.gov.br/receitafederal/pt-br/acesso-a-informacao/acoes-e-programas/programas-e-atividades/cnpj-alfanumerico#:~:text=O%20CNPJ%20Alfanum%C3%A9rico%20ser%C3%A1%20atribu%C3%ADdo,com%20o%20seu%20n%C3%BAmero%20v%C3%A1lido!) for more information about the new format.

Download the package:

```bash

go get github.com/jfelipearaujo/cpfcnpj@latest

```

## How to use - CPF Validation

Import the package:

```go

import "github.com/jfelipearaujo/cpf"

```

Create a new instance of the service:

```go

svc := cpf.New("123.456.789-10")

```

Validate if the CPF is valid or not:

```go

err := svc.IsValid()

if err != nil {

    // Handle invalid CPF

}

```

## How to use - CNPJ Validation

Import the package:

```go

import "github.com/jfelipearaujo/cpfcnpj/cnpj"

```

Create a new instance of the service:

```go

svc := cnpj.New("12.ABC.345/01DE-35")

```

Validate if the CNPJ is valid or not:

```go

err := svc.IsValid()

if err != nil {

    // Handle invalid CNPJ

}

```

## Contributing

Contributions are welcome!

## LICENSE

This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details.