clean

</>

pub fn clean(cnpj: String) -> String

clean_alphanumeric

</>

pub fn clean_alphanumeric(cnpj: String) -> String

</>

pub fn clean_auto(cnpj: String) -> String

Cleans a CNPJ string, automatically detecting and preserving the appropriate format.

For alphanumeric CNPJs, preserves letters and numbers (A-Z, 0-9) and converts to uppercase. For numeric CNPJs, preserves only numbers (0-9).

clean_auto("12.ABC.345/01DE-35")  // "12ABC34501DE35"
clean_auto("84.980.771/0001-82")  // "84980771000182"

</>

pub fn format_auto(cnpj: String) -> String

Formats a CNPJ string, automatically detecting the format type.

Alphanumeric CNPJs are formatted as: “AA.AAA.AAA/AAAA-DD” Numeric CNPJs are formatted as: “99.999.999/9999-99”

format_auto("12ABC34501DE35")  // "12.ABC.345/01DE-35"
format_auto("84980771000182")  // "84.980.771/0001-82"

</>

pub fn has_letters(str: String) -> Bool