Developer Tools

#semver

#version

#range

#npm

Updated: Sep 14, 2026

SemVer Range Specifier

Validates Semantic Versioning (SemVer) ranges such as ^1.2.3, ~0.1.0, >=1.0.0, or 1.x.

✓ Package manager dependency parsing✓ Release tag validation✓ Config file linting

Safe

Test String

5 matches

^1.2.3
~0.1.0
>=2.0.0
v1.0.0-alpha.1
1.x

(?:…)?Non-capturing group— Non-capturing group — groups without capturing (no index assigned) — repeated zero or one time (optional) · ? — zero or one time (optional)

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

||— | — alternation: matches expression on left OR right

>>— '>' — literal character

=?=— '=' — literal character — repeated zero or one time (optional) · ? — zero or one time (optional)

||— | — alternation: matches expression on left OR right

<<— '<' — literal character

=?=— '=' — literal character — repeated zero or one time (optional) · ? — zero or one time (optional)

||— | — alternation: matches expression on left OR right

==— '=' — literal character

=?=— '=' — literal character — repeated zero or one time (optional) · ? — zero or one time (optional)

\s*space— \s — whitespace (space, tab, newline…) — repeated zero or more times (greedy) · * — zero or more times (greedy)

v?v— 'v' — literal character — repeated zero or one time (optional) · ? — zero or one time (optional)

(?:…)Non-capturing group— Non-capturing group — groups without capturing (no index assigned)

00— '0' — literal character

||— | — alternation: matches expression on left OR right

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

\d*digit— \d — digit (0–9) — repeated zero or more times (greedy) · * — zero or more times (greedy)

(?:…)?Non-capturing group— Non-capturing group — groups without capturing (no index assigned) — repeated zero or one time (optional) · ? — zero or one time (optional)

\.\.— \. — escaped character '.'

(?:…)Non-capturing group— Non-capturing group — groups without capturing (no index assigned)

(?:…)?Non-capturing group— Non-capturing group — groups without capturing (no index assigned) — repeated zero or one time (optional) · ? — zero or one time (optional)

\.\.— \. — escaped character '.'

(?:…)Non-capturing group— Non-capturing group — groups without capturing (no index assigned)

(?:…)?Non-capturing group— Non-capturing group — groups without capturing (no index assigned) — repeated zero or one time (optional) · ? — zero or one time (optional)

--— '-' — literal character

[…]+Character class […]— Matches any single character listed in this set — repeated one or more times (greedy) · + — one or more times (greedy)

(?:…)?Non-capturing group— Non-capturing group — groups without capturing (no index assigned) — repeated zero or one time (optional) · ? — zero or one time (optional)

\+\+— \+ — escaped character '+'

[…]+Character class […]— Matches any single character listed in this set — repeated one or more times (greedy) · + — one or more times (greedy)

Pattern: 134 charsInput: 40 chars

100% client-side · private

✓ Valid Examples

^1.2.3
~0.1.0
>=2.0.0
v1.0.0-alpha.1
1.x

✗ Invalid Examples

invalid.version.range
1.2.3.4
>>>1.0.0

Usage & Integration

Validate SemVer Range Specifier natively in your backend or frontend without copying regex strings.

Node / Edge

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

validate('semver-range', '...');

Python

from regexto_validators import validate

validate("semver-range", "...")

Go

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

valid, err := validators.Validate("semver-range", "...")

PHP

use RegexTo\Validators\Validator;

Validator::validate('semver-range', '...');

Rust

use regexto_validators::validate;

let is_valid = validate("semver-range", "...").unwrap();