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Parser
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A parser turns its input (often text in form of a file) into a more advantageous representation (usually a certain data structure in memory) to perform a specific task.
Common examples include:
- parsers for markup languages (e.g. HTML/Markdown etc)
- parsers for data-serialization formats (e.g. JSON/XML/YAML etc)
- parsers used as part of/in conjunction with a compiler (in this case, the parser consumes the tokenized input emitted by the Lexer and ultimately feeds the resulting parse tree/concrete syntax tree into the compiler)
Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.
A markdown parser and compiler. Built for speed.
Rust-based platform for the Web
The fast, flexible, and elegant library for parsing and manipulating HTML and XML.
An incremental parsing system for programming tools
A high-performance observability data pipeline.
⚓ A collection of JavaScript tools written in Rust.
A high-performance 100% compatible drop-in replacement of "encoding/json"
jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
Repository for the book "Crafting Interpreters"
Rust parser combinator framework
🗜 JavaScript parser, mangler and compressor toolkit for ES6+
Python SQL Parser and Transpiler
Select, put and delete data from JSON, TOML, YAML, XML and CSV files with a single tool. Supports conversion between formats and can be used as a Go package.
The official repo for “Dolphin: Document Image Parsing via Heterogeneous Anchor Prompting”, ACL, 2025.
An extremely fast CSS parser, transformer, bundler, and minifier written in Rust.