is-regexp
Advanced tools
Package description
The is-regexp npm package is a utility that allows you to check if a given value is a regular expression. This can be useful in various scenarios where you need to validate or handle regular expressions specifically.
Check if a value is a regular expression
This feature allows you to determine if a given value is a regular expression. The function returns true if the value is a regular expression and false otherwise.
const isRegexp = require('is-regexp');
console.log(isRegexp(/abc/)); // true
console.log(isRegexp('abc')); // falseThe lodash.isregexp package is a part of the Lodash library that provides a similar functionality to is-regexp. It checks if a value is classified as a RegExp object. Compared to is-regexp, lodash.isregexp is part of a larger utility library, which means it can be more convenient if you are already using Lodash in your project.
The is-regex package is another utility that checks if a value is a regular expression. It provides similar functionality to is-regexp but is maintained by a different author and may have different performance characteristics or additional features.
The is package is a comprehensive type-checking library that includes a method for checking if a value is a regular expression. It offers a broader range of type-checking utilities compared to is-regexp, making it a more versatile choice if you need to perform various type checks.
Readme
Check if a value is a regular expression
$ npm install is-regexp
import isRegexp from 'is-regexp';
isRegexp('unicorn');
//=> false
isRegexp(/unicorn/);
//=> true
isRegexp(new RegExp('unicorn'));
//=> true
instanceof instead of this package?FAQs
Check if a value is a regular expression
The npm package is-regexp receives a total of 5,446,342 weekly downloads. As such, is-regexp popularity was classified as popular.
We found that is-regexp 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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