Package Health Score

67 / 100

security
No known security issues
popularity
Influential project
maintenance
Inactive
community
Limited

Explore Similar Packages

Security

No known security issues

All security vulnerabilities belong to production dependencies of direct and indirect packages.

Security and license risk for significant versions

Version				Vulnerabilities	License Risk
0.1.1	\|	04/2017	Popular	0 C 0 H 0 M 0 L	0 H 0 M 0 L
1.0.0	\|	04/2017		0 C 0 H 0 M 0 L	0 H 0 M 0 L

License

MIT

Security Policy

Is your project affected by vulnerabilities?

Scan your projects for vulnerabilities. Fix quickly with automated fixes. Get started with Snyk for free.

Get started free

Popularity

Influential project

Weekly Downloads (9,572,116)

GitHub Stars: 29
Forks: 6
Contributors: 2

Direct Usage Popularity

The npm package posix-character-classes receives a total of 9,572,116 downloads a week. As such, we scored posix-character-classes popularity level to be Influential project.

Based on project statistics from the GitHub repository for the npm package posix-character-classes, we found that it has been starred 29 times.

Downloads are calculated as moving averages for a period of the last 12 months, excluding weekends and known missing data points.

Community

Limited

Readme.md: Yes
Contributing.md: No
Code of Conduct: Yes
Contributors: 2
Funding: Yes

This project has seen only 10 or less contributors.

Embed Package Health Score Badge

Maintenance

Inactive

Commit Frequency

No Recent Commits

Open Issues: 1
Open PR: 1
Last Release: 8 years ago
Last Commit: 5 years ago

Further analysis of the maintenance status of posix-character-classes based on released npm versions cadence, the repository activity, and other data points determined that its maintenance is Inactive.

An important project maintenance signal to consider for posix-character-classes is that it hasn't seen any new versions released to npm in the past 12 months, and could be considered as a discontinued project, or that which receives low attention from its maintainers.

In the past month we didn't find any pull request activity or change in issues status has been detected for the GitHub repository.

Keep your project healthy

Check your package.json

Ensure all the packages you're using are healthy and well-maintained

Snyk Vulnerability Scanner

Get health score & security insights directly in your IDE

Package

Node.js Compatibility: >=0.10.0

Age: 8 years
Dependencies: 0 Direct
Versions: 4
Install Size: 0 B
Dist-tags: 1
# of Files: 0
Maintainers: 1
TS Typings: No

posix-character-classes has more than a single and default latest tag published for the npm package. This means, there may be other tags available for this package, such as next to indicate future releases, or stable to indicate stable releases.

Readme

posix-character-classes

> POSIX character classes for creating regular expressions.

Install

Install with npm:

$ npm install --save posix-character-classes

Install with yarn:

$ yarn add posix-character-classes

Usage

var posix = require('posix-character-classes');
console.log(posix.alpha);
//=&gt; 'A-Za-z'

POSIX Character classes

The POSIX standard supports the following classes or categories of charactersh (note that classes must be defined within brackets)^[1]:

POSIX class	Equivalent to	Matches
`[:alnum:]`	`[A-Za-z0-9]`	digits, uppercase and lowercase letters
`[:alpha:]`	`[A-Za-z]`	upper- and lowercase letters
`[:ascii:]`	`[\x00-\x7F]`	ASCII characters
`[:blank:]`	`[ \t]`	space and TAB characters only
`[:cntrl:]`	`[\x00-\x1F\x7F]`	Control characters
`[:digit:]`	`[0-9]`	digits
`[:graph:]`	`[^[:cntrl:]]`	graphic characters (all characters which have graphic representation)
`[:lower:]`	`[a-z]`	lowercase letters
`[:print:]`	`[[:graph] ]`	graphic characters and space
`[:punct:]`	``[-!"#$%&'()*+,./:;<=>?@[]^_`{	}~]``
`[:space:]`	`[ \t\n\r\f\v]`	all blank (whitespace) characters, including spaces, tabs, new lines, carriage returns, form feeds, and vertical tabs
`[:upper:]`	`[A-Z]`	uppercase letters
`[:word:]`	`[A-Za-z0-9_]`	word characters
`[:xdigit:]`	`[0-9A-Fa-f]`	hexadecimal digits

Examples

a[[:digit:]]b matches a0b, a1b, ..., a9b.
a[:digit:]b is invalid, character classes must be enclosed in brackets
[[:digit:]abc] matches any digit, as well as a, b, and c.
[abc[:digit:]] is the same as the previous, matching any digit, as well as a, b, and c
[^ABZ[:lower:]] matches any character except lowercase letters, A, B, and Z.

About

Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issue.

Building docs

(This project's readme.md is generated by verb, please don't edit the readme directly. Any changes to the readme must be made in the .verb.md readme template.)

To generate the readme, run the following command:

$ npm install -g verbose/verb#dev verb-generate-readme &amp;&amp; verb

Running tests

Running and reviewing unit tests is a great way to get familiarized with a library and its API. You can install dependencies and run tests with the following command:

$ npm install &amp;&amp; npm test

Author

Jon Schlinkert

License

This file was generated by verb-generate-readme, v0.5.0, on April 20, 2017.

table and examples are based on the WikiBooks page for [Regular Expressions/POSIX Basic Regular Expressions](https://en.wikibooks.org/wiki/Regular_Expressions/POSIX_Basic_Regular_Expressions), which is available under the [Creative Commons Attribution-ShareAlike License](https://creativecommons.org/licenses/by-sa/3.0/). ↩

posix-character-classes development dependencies

gulp-format-md mocha

FAQs

What is posix-character-classes?

POSIX character classes for creating regular expressions. Visit Snyk Advisor to see a full health score report for posix-character-classes, including popularity, security, maintenance & community analysis.

Is posix-character-classes popular?

The npm package posix-character-classes receives a total of 9,572,116 weekly downloads. As such, posix-character-classes popularity was classified as an influential project. Visit the popularity section on Snyk Advisor to see the full health analysis.

Is posix-character-classes well maintained?

We found indications that posix-character-classes is an Inactive project. See the full package health analysis to learn more about the package maintenance status.

Is posix-character-classes safe to use?

The npm package posix-character-classes was scanned for known vulnerabilities and missing license, and no issues were found. Thus the package was deemed as safe to use. See the full health analysis review.

Last updated on 22 December-2024, at 10:20 (UTC).

Build a secure application checklist

Select a recommended open source package

Minimize your risk by selecting secure & well maintained open source packages

DONE

Scan your app for vulnerabilities

Scan your application to find vulnerabilities in your: source code, open source dependencies, containers and configuration files

SCAN NOW

Fix identified vulnerabilities

Easily fix your code by leveraging automatically generated PRs

AUTO FIX

Monitor for new issues

New vulnerabilities are discovered every day. Get notified if your application is affected

MONITOR APP

Package Health Score

Explore Similar Packages

Security and license risk for significant versions

Is your project affected by vulnerabilities?

Weekly Downloads (9,572,116)

Direct Usage Popularity

Embed Package Health Score Badge

Commit Frequency

Keep your project healthy

Check your package.json

Snyk Vulnerability Scanner

Readme

posix-character-classes

Install

Usage

POSIX Character classes

Examples

About

Contributing

Building docs

Running tests

Author

License

posix-character-classes development dependencies

FAQs

What is posix-character-classes?

Is posix-character-classes popular?

Is posix-character-classes well maintained?

Is posix-character-classes safe to use?

Build a secure application checklist

Select a recommended open source package

Scan your app for vulnerabilities

Source Code

Open Source

Container

Config

Fix identified vulnerabilities

Monitor for new issues