#parser

Query XML with XPath, transform XML with XSL

A Python module and command line tool for working with Fortran namelists

📱 Package manipulation tool & library (ipa, etc)

Advanced shortcode (BBCode) parser and engine for PHP

OpenSSH config grammar for tree-sitter

Utility-first helpers for the Web Streams API, aimed at streaming and transform pipelines.

Typed CLI command mechanics for Node.js that keep argument parsing separate from application logic

From-scratch Rust PDF toolkit for Python: fast page rendering and text extraction via PyO3 — benchmarked faster than mainstream Python PDF libraries

High-performance, cross-platform User-Agent parser: one Go core for Go, Java, Node.js, Python, plus a REST service and WASM/browser. Client Hints (Sec-CH-UA) priority, bot & AI-crawler detection, and a regex + correction database that hot-updates at runtime — no redeploy.

Rust based JSON repair library

Fast, dependency-free Go library for parsing, validating, rendering, and comparing Semantic Versioning (SemVer 2.0.0) values with explicit formats

A CLI to manage cooklang recipes

SIMD-accelerated byte-class scanning for lexers and parsers.

Type-safe YAML parser and validator.

A parser combinator library in TypeScript

A Racc based TOML parser

A very strict and proper argument parser.

Faust grammar for tree-sitter. Available in nvim-treesitter with `TSInstall faust`.

Parse email to get signature, replies, attachments and inline images

Guides library to parse ReStructured text into an AST

A fast ISO8601 date parser for Go

CSS parser / stringifier for Node.js

YAML grammar for tree-sitter

Parsing and inspecting Rust literals (particularly useful for proc macros)

A one class lib to parse multipart document ( multipart email, multipart form, etc ...) and manage each part encoding and charset to extract their content.

Parse Handlebars templates to a spec-compliant AST with PHP.

An extremely fast web scraper that parses megabytes of invalid HTML in a blink of an eye. PHP5.3+, no dependencies.

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A new, portable, regular expression language

A Parser for CSS Files written in PHP. Allows extraction of CSS files into a data structure, manipulation of said structure and output as (optimized) CSS