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JS
Package

is-regexp

Check if a value is a regular expression

v3.1.0, 31 Oct 2021MITESM onlyTypes: Bundled
$ npm install is-regexp
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Key numbers

As of 25 Sept 2026
Weekly downloads
22.9m
+115% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
4 years ago
v3.1.0
GitHub stars
26
8 forks
Open issues / PRs
0 / 0
Contributors
-
Commits, last 52 weeks
1

Downloads

Last week 2026-09-15 to 2026-09-21
010m20m30mSept 2025Mar 2026Sept 2026High 28.5m (25 Aug 2026)Low 6.5m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

22,914,528 downloads last week, 105,993,329 in the last month. The 12-month change of +115% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
05 in total
Latest version
3.1.0, 31 Oct 20214 years ago
First published
11 Jun 2014
Last push to GitHub
18 Sept 20266 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
0
Commits, last 52 weeks
1
Dependents on npm
298

Major versions

  1. v3 first release 3.0.0, 7 Apr 2021
  2. v2 first release 2.0.0, 22 Mar 2018
  3. v1 first release 1.0.0, 11 Jun 2014

Recent releases

VersionPublished
3.1.031 Oct 2021
3.0.07 Apr 2021
2.1.016 Apr 2019
2.0.022 Mar 2018
1.0.011 Jun 2014

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=12
Runtimes
-
Unpacked size (npm)
3.1 kB
Dependencies (0)
None

Install

npm install is-regexp

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/is-regexp@3.1.0/
  • unpkghttps://unpkg.com/is-regexp@3.1.0/
  • esm.shhttps://esm.sh/is-regexp@3.1.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.