Canadian Social Insurance Number

Luhn 10 Check

Validates using the Luhn 10 checksum.

(?i:\b[1-79][0-9]{8}\b)

Matches a 9-digit number without a delimiter. Matches 100000000–799999999 or 900000000–999999999.

1

(?i:\b[1-79][0-9]{2} [0-9]{3} [0-9]{3}\b)

Matches a 9-digit number of the format NNN NNN NNN delimited by space.

1

(?i:\b[1-79][0-9]{2}-[0-9]{3}-[0-9]{3}\b)

Matches a 9-digit number of the format NNN-NNN-NNN delimited by hyphen.

1