npm · npm:is-lower-case

is-lower-case deprecated

Returns `true` if the string is lower case only

The latest stable version of is-lower-case is 3.0.0, published on 2023-09-30. Verified by Vigia on 2026-11-12.

Latest stable version	3.0.0
Published	2023-09-30 01:31:07 UTC
Install	`npm install is-lower-case@latest`
Deprecation	Use `input.toLowerCase() === input`
Requires (engines)	none declared
Peer dependencies	—
Dist-tags	`latest: 3.0.0`
License	MIT
Advisories on latest version	none known
Last verified	2026-11-12 14:40:01 UTC
Sources	api.deps.dev, registry.npmjs.org, registry.npmjs.org

Maintenance

Activity	dormant
Last stable release	2023-09-30 01:31:07 UTC · 1140 days ago
Stable releases in the last 12 months	0
Published versions	10

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Version	Published
`3.0.0` withdrawn	2023-09-30 01:31:07 UTC
`2.0.2`	2020-12-02 00:31:47 UTC
`2.0.1`	2019-12-06 03:05:39 UTC
`2.0.0`	2019-12-01 06:19:05 UTC
`1.1.3`	2015-12-16 00:08:33 UTC
`1.1.2`	2015-12-16 00:03:19 UTC
`1.1.1`	2015-02-08 07:01:08 UTC
`1.1.0`	2015-01-12 07:54:53 UTC
`1.0.0`	2014-08-17 19:02:38 UTC
`0.0.1`	2014-04-25 08:19:26 UTC

Showing the 10 most recent of 10 versions. JSON

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Frequently asked questions

What is the latest version of is-lower-case?

The latest stable version of is-lower-case is 3.0.0, published on 2023-09-30. Verified by Vigia on 2026-11-12.

How do I install the latest version of is-lower-case?

Run npm install is-lower-case@latest. The latest stable version is 3.0.0 (verified 2026-11-12).

Is is-lower-case deprecated?

Yes. The registry marks is-lower-case as deprecated. Message from the maintainers: "Use `input.toLowerCase() === input`"

Which Node.js version does is-lower-case require?

is-lower-case 3.0.0 does not declare a Node.js version requirement.

Does is-lower-case 3.0.0 have known vulnerabilities?

No known advisories affect is-lower-case 3.0.0 according to the data Vigia checks.

Is is-lower-case still maintained?

is-lower-case published 0 stable releases in the last 12 months; the most recent was 1140 days ago. Activity: dormant.

Observed changes

No changes observed yet since Vigia started tracking this package.

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