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This repository has been archived on 2026-03-06. You can view files and clone it, but cannot push or open issues or pull requests.

History

houwq 38cd670902 Initial commit		2025-06-13 14:04:40 +08:00
..
test	Initial commit	2025-06-13 14:04:40 +08:00
.editorconfig	Initial commit	2025-06-13 14:04:40 +08:00
.eslintrc	Initial commit	2025-06-13 14:04:40 +08:00
.nycrc	Initial commit	2025-06-13 14:04:40 +08:00
CHANGELOG.md	Initial commit	2025-06-13 14:04:40 +08:00
index.d.ts	Initial commit	2025-06-13 14:04:40 +08:00
index.js	Initial commit	2025-06-13 14:04:40 +08:00
LICENSE	Initial commit	2025-06-13 14:04:40 +08:00
package.json	Initial commit	2025-06-13 14:04:40 +08:00
README.md	Initial commit	2025-06-13 14:04:40 +08:00
tsconfig.json	Initial commit	2025-06-13 14:04:40 +08:00

README.md

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