ULID

Validates 26-character Crockford Base32 Universally Unique Lexicographically Sortable Identifier (ULID) strings.

✓ Primary key validation✓ Distributed ID verification✓ API parameter parsing

Safe

Test String

3 matches

01ARZ3NDEKTSV4RRFFQ69G5FAV
01ED5033W4E7V2V00E9FA14C11
01F8MECH551T082GH696763602

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

0-70-7— 0-7 — range from '0' to '7'

[…]{25}Character class […]— Matches any single character listed in this set — repeated exactly 25 times · {25} — exactly 25 times

0-90-9— 0-9 — range from '0' to '9'

A-HA-H— A-H — range from 'A' to 'H'

JJ— 'J' — literal character

KK— 'K' — literal character

MM— 'M' — literal character

NN— 'N' — literal character

P-TP-T— P-T — range from 'P' to 'T'

V-ZV-Z— V-Z — range from 'V' to 'Z'

Pattern: 27 charsInput: 80 chars

100% client-side · private

✓ Valid Examples

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

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

validate('ulid', '...');

from regexto_validators import validate

validate("ulid", "...")

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

valid, err := validators.Validate("ulid", "...")

use RegexTo\Validators\Validator;

Validator::validate('ulid', '...');

use regexto_validators::validate;

let is_valid = validate("ulid", "...").unwrap();