Launching a SaaS?·Collect waitlist signups before you build — before.run
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regex.to
SandboxPatternsDetectDocs
Identity
pt-BR
#cpf
#brazil
#brazilian
#identity

Brazilian CPF

Matches a Brazilian CPF (Cadastro de Pessoas Físicas) number in formatted (NNN.NNN.NNN-NN) or unformatted (NNNNNNNNNNN) form.

✓ Brazilian government forms✓ E-commerce checkout✓ KYC verification
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Test String
3 matches
\d{3}digit— \d — digit (0–9) — repeated exactly 3 times · {3} — exactly 3 times
\.?\.— \. — escaped character '.' — repeated zero or one time (optional) · ? — zero or one time (optional)
\d{3}digit— \d — digit (0–9) — repeated exactly 3 times · {3} — exactly 3 times
\.?\.— \. — escaped character '.' — repeated zero or one time (optional) · ? — zero or one time (optional)
\d{3}digit— \d — digit (0–9) — repeated exactly 3 times · {3} — exactly 3 times
-?-— '-' — literal character — repeated zero or one time (optional) · ? — zero or one time (optional)
\d{2}digit— \d — digit (0–9) — repeated exactly 2 times · {2} — exactly 2 times
Pattern: 28 charsInput: 41 chars
100% client-side · private

✓ Valid Examples

  • 123.456.789-09
  • 12345678909
  • 111.444.777-35

✗ Invalid Examples

  • 123.456.789
  • 1234567890
  • abc.456.789-09