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Brazil CPF (Tax Registration)

Published on Sep 2, 2026

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Number issued by Brazilian Federal Revenue to Brazilians and resident foreigners who, directly or indirectly, pay taxes in Brazil.

Validator

Brazil CPF (Tax Registration) — Validates the position weighted Mod 11 checksum.

Matched expressions

Regex expressions	Description	Score
`(?i:\b[0-9]{11}\b)`	Matches an 11-digit number of the format NNNNNNNNNNN.	1
`(?i:\b[0-9]{3}\.[0-9]{3}\.[0-9]{3}-[0-9]{2}\b))`	Matches an 11-digit number of the format NNN.NNN.NNN-NN.	1

Ignored expressions

None

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