# Validator

> 11 pages have this label.

Source: https://ngwr.dev/labels/validator

## See also

- [cardNumber](https://ngwr.dev/reference/validators/card-number) — Check a card number: 13 to 19 digits with a valid Luhn checksum.
- [cvc](https://ngwr.dev/reference/validators/cvc) — Check a card security code: 3 digits, or 4 for Amex.
- [hexColor](https://ngwr.dev/reference/validators/hex-color) — Check a hex colour such as #abc or #1a2b3c.
- [iban](https://ngwr.dev/reference/validators/iban) — Check an IBAN's structure and mod-97 checksum.
- [match](https://ngwr.dev/reference/validators/match) — Check that a control equals a sibling, such as a password confirmation.
- [matchFields](https://ngwr.dev/reference/validators/match-fields) — Check that two or more controls in a group hold the same value.
- [maxDate](https://ngwr.dev/reference/validators/max-date) — Reject a date after max.
- [minDate](https://ngwr.dev/reference/validators/min-date) — Reject a date before min.