MAC Address

Matches a MAC (Media Access Control) address in both colon-separated and hyphen-separated formats.

✓ Network device identification✓ Access control lists✓ Device registration

Risk

Test String

3 matches

00:1A:2B:3C:4D:5E
00-1A-2B-3C-4D-5E
ff:ff:ff:ff:ff:ff

(…){5}Group #1— Capturing group — captures matched text for reuse or extraction — repeated exactly 5 times · {5} — exactly 5 times

[…]{2}Character class […]— Matches any single character listed in this set — repeated exactly 2 times · {2} — exactly 2 times

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

[…]{2}Character class […]— Matches any single character listed in this set — repeated exactly 2 times · {2} — exactly 2 times

0-90-9— 0-9 — range from '0' to '9'

a-fa-f— a-f — range from 'a' to 'f'

A-FA-F— A-F — range from 'A' to 'F'

Pattern: 38 charsInput: 53 chars

100% client-side · private

✓ Valid Examples

Validate MAC Address natively in your backend or frontend without copying regex strings.

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

validate('mac-address', '...');

from regexto_validators import validate

validate("mac-address", "...")

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

valid, err := validators.Validate("mac-address", "...")

use RegexTo\Validators\Validator;

Validator::validate('mac-address', '...');

use regexto_validators::validate;

let is_valid = validate("mac-address", "...").unwrap();