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regex.to
SandboxPatternsDetectDocs
Identity
en-US
#ssn
#us
#identity
#tax

US Social Security Number

Matches a US Social Security Number (SSN) in the standard NNN-NN-NNNN format.

✓ US government forms✓ Tax filing✓ 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
--— '-' — literal character
\d{2}digit— \d — digit (0–9) — repeated exactly 2 times · {2} — exactly 2 times
--— '-' — literal character
\d{4}digit— \d — digit (0–9) — repeated exactly 4 times · {4} — exactly 4 times
Pattern: 17 charsInput: 35 chars
100% client-side · private

✓ Valid Examples

  • 123-45-6789
  • 001-01-0001
  • 999-99-9999

✗ Invalid Examples

  • 123-456-789
  • 12-34-5678
  • 123456789