cuducos.me
🇧🇷 CPF and CNPJ validation in Go
Fixes indentation in README.md
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README.md
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README.md
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# Go CNPF []()[](https://godoc.org/github.com/cuducos/go-cnpf)
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# Go CNPF []() [](https://godoc.org/github.com/cuducos/go-cnpf) 
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A Go module to validate CPF and CNPJ numbers (Brazilian people andcompanies unique identifier for the Federal Revenue).
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// these return true
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cnpf.IsValid("23858488135")
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cnpf.IsValid("238.584.881-35")
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cnpf.IsValid("11222333000181")
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cnpf.IsValid("11222333000181")
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cnpf.IsValid("11.222.333/0001-81")
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// these return false
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cnpf.IsValid("11.111.111/1111-11")
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cnpf.IsValid("123.456.769/01")
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cnpf.IsValid("12.345.678 9012-34")
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cnpf.IsValid("ABC.DEF.GHI-JK")
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cnpf.IsValid("AB.CDE.FGH/IJKL-MN")
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cnpf.IsValid("ABC.DEF.GHI-JK")
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cnpf.IsValid("AB.CDE.FGH/IJKL-MN")
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cnpf.IsValid("123")
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// these returns 11111111111 and 11111111111111
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cnpf.Unmask("111.111.111-11")
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cnpf.Unmask("111.111.111-11")
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cnpf.Unmask("11.111.111/1111-11")
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// this returns 111.111.111-11 and 11.111.111/1111-11
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cnpf.Mask("11111111111")
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cnpf.Mask("11111111111")
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cnpf.Mask("11111111111111")
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}
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```
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