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is-regex (1.2.1)

Published 2026-02-24 13:58:37 +00:00 by atheaadmin

Installation

Setup this registry in your project .npmrc file:

registry=

To install the package using npm, run the following command:

npm install is-regex@1.2.1

or add it to the package.json file:

"is-regex": "1.2.1"

For more information on the npm registry, see the documentation.

About this package

is-regex

Is this value a JS regex? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Example

var isRegex = require('is-regex');
var assert = require('assert');

assert.notOk(isRegex(undefined));
assert.notOk(isRegex(null));
assert.notOk(isRegex(false));
assert.notOk(isRegex(true));
assert.notOk(isRegex(42));
assert.notOk(isRegex('foo'));
assert.notOk(isRegex(function () {}));
assert.notOk(isRegex([]));
assert.notOk(isRegex({}));

assert.ok(isRegex(/a/g));
assert.ok(isRegex(new RegExp('a', 'g')));

Tests

Simply clone the repo, npm install, and run npm test

Dependencies

Dependencies

ID	Version
call-bound	^1.0.2
gopd	^1.2.0
has-tostringtag	^1.0.2
hasown	^2.0.2

Development Dependencies

ID	Version
@arethetypeswrong/cli	^0.17.1
@ljharb/eslint-config	^21.1.1
@ljharb/tsconfig	^0.2.2
@types/core-js	^2.5.8
@types/for-each	^0.3.3
@types/tape	^5.6.5
auto-changelog	^2.5.0
core-js	^3.39.0
eclint	^2.8.1
encoding	^0.1.13
eslint	=8.8.0
for-each	^0.3.3
in-publish	^2.0.1
npmignore	^0.3.1
nyc	^10.3.2
safe-publish-latest	^2.0.0
tape	^5.9.0
typescript	^5.8.0-dev.20241129

Keywords

regex regexp is regular expression regular expression

Details

npm

2026-02-24 13:58:37 +00:00

1

Jordan Harband

Project Site

MIT

latest

12 KiB

Assets (1)

is-regex-1.2.1.tgz 12 KiB

Versions (1) View all

1.2.1 2026-02-24