Canadian SIN

Validates Canadian Social Insurance Numbers (SIN): 9 digits optionally formatted as NNN-NNN-NNN.

✓ Canadian payroll systems✓ Government service portals✓ Tax form validation

Safe

Test String

4 matches

046-454-286
046454286
123 456 789
900-000-000

[…]{3}Character class […]— Matches any single character listed in this set — repeated exactly 3 times · {3} — exactly 3 times

0-90-9— 0-9 — range from '0' to '9'

[…]?Character class […]— Matches any single character listed in this set — repeated zero or one time (optional) · ? — zero or one time (optional)

\sspace— \s — whitespace (space, tab, newline…)

\-\-— \- — escaped character

[…]{3}Character class […]— Matches any single character listed in this set — repeated exactly 3 times · {3} — exactly 3 times

0-90-9— 0-9 — range from '0' to '9'

[…]?Character class […]— Matches any single character listed in this set — repeated zero or one time (optional) · ? — zero or one time (optional)

\sspace— \s — whitespace (space, tab, newline…)

\-\-— \- — escaped character

[…]{3}Character class […]— Matches any single character listed in this set — repeated exactly 3 times · {3} — exactly 3 times

0-90-9— 0-9 — range from '0' to '9'

Pattern: 38 charsInput: 45 chars

100% client-side · private

✓ Valid Examples

Validate Canadian SIN natively in your backend or frontend without copying regex strings.

import { validate } from '@regexto/validators';

validate('ca-sin', '...');

from regexto_validators import validate

validate("ca-sin", "...")

import "github.com/regex-to/validators-go"

valid, err := validators.Validate("ca-sin", "...")

use RegexTo\Validators\Validator;

Validator::validate('ca-sin', '...');

use regexto_validators::validate;

let is_valid = validate("ca-sin", "...").unwrap();