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 FileMaker Pro Custom Functions

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Validate_CPF ( _Num )

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  Average rating: 4.0  (41 votes)
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Francisco Carlos Otani, Francisco Carlos Otani

Validate Brazilian CPF number

Sample Input:
Validate_CPF ("123.456.789-09")
Sample Output:

 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed


In Brazil there is a CPF (Cadastro de Pessoas Físicas) number which serves to identify each individual in the country. The number composes of eleven numeric digits, being the two last ones the checking digits.

The function calculates the two checking digits, based on the nine preceding digits.

the eleven numeric digits for a CPF number

-3 (parameter is empty)
-2 (number of digits <> 11)
-1 (incorrect entry)
1 (OK)

lnput: Validate_CPF (12345678909)
Output: 1

lnput: Validate_CPF ("123.456.789-09")
Output: 1

You can modify the Case result numbers to return a Boolean calculation, so that the function could be tested as GetAsBoolean ( Validate_CPF (_Num) ).

Note: these functions are not guaranteed or supported by Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it


Parabéns por compartilhar a função, já possuo uma função para este fim, mas vou armazenar esta comigo também.

Gabriel Teixeira, Florianópolis/Brazil
January 18, 2013 10:57am


Joan Dagostino, DF
September 08, 2014 9:53pm


kelly, Brazil
September 12, 2014 12:29am

i need this number

Yulia, Brazilia
October 01, 2014 8:53am


mickey, SP
June 14, 2015 5:25pm

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