Russian INN (ИНН)

Matches a Russian taxpayer identification number (ИНН) — 10 digits for organisations, 12 digits for individuals.

✓ Russian government integration✓ Tax reporting✓ Business registration

Test String

2 matches

7707083893
500100732259

(…)Group #1— Capturing group — captures matched text for reuse or extraction

\d{10}digit— \d — digit (0–9) — repeated exactly 10 times · {10} — exactly 10 times

||— | — alternation: matches expression on left OR right

\d{12}digit— \d — digit (0–9) — repeated exactly 12 times · {12} — exactly 12 times

Pattern: 15 charsInput: 23 chars

100% client-side · private

✓ Valid Examples