Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
Is this value a JS regex? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
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')));
Simply clone the repo, npm install, and run npm test
Similar to is-regex, is-regexp is a package that checks if a value is a regular expression. It provides a similar functionality but may have different implementation details or dependencies.
This is a Lodash module to check if a value is classified as a RegExp object. While it offers similar functionality, it comes from the Lodash library which is a broader utility toolkit and might be preferred in projects already using Lodash.
FAQs
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
The npm package is-regex receives a total of 64,044,793 weekly downloads. As such, is-regex popularity was classified as popular.
We found that is-regex demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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