Range header field string parser

Simplistic env var parser inspired by mongoose schema

Transforms css values and at-rule params into the tree

socket.io protocol parser

A specification compliant robots.txt parser with wildcard (*) matching support.

A module that parses a string as regular expression and returns the parsed value.

Parse JavaScript one character at a time to look for snippets in Templates. This is not a validator, it's just designed to allow you to have sections of JavaScript delimited by brackets robustly.

A JavaScript parser

Offers getProxyForUrl to get the proxy URL for a URL, respecting the *_PROXY (e.g. HTTP_PROXY) and NO_PROXY environment variables.

the mighty option parser used by yargs

Create parsers using parser combinators with helpful error messages

Modern, fast React.js JSX parser

Verification, sanitization, and type coercion for environment variables in Node.js

Replaces env variable placeholders in configuration settings

An ESLint custom parser which leverages TypeScript ESTree

Validate XML, Parse XML, Build XML without C/C++ based libraries

Parse the accept-language header from a HTTP request

An inline style parser.

A pure JS HTTP parser for node.

Algorithms to help you parse CSS from an array of tokens.