Chinese Resident ID

Matches a Chinese national resident identity card number — 17 digits followed by one digit or X (checksum digit).

✓ Chinese government integration✓ KYC for Chinese users✓ Travel booking

Test String

2 matches

11010519491231002X
440301198001012158

\d{17}digit— \d — digit (0–9) — repeated exactly 17 times · {17} — exactly 17 times

[…]Character class […]— Matches any single character listed in this set

\ddigit— \d — digit (0–9)

XX— 'X' — literal character

xx— 'x' — literal character

Pattern: 12 charsInput: 37 chars

100% client-side · private

✓ Valid Examples