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Tag trends are in beta. Feedback? Thoughts? Email me at [email protected]

Dates are a language. We built a parser for them instead of more regexes.

Nginx 1.31.5 introduces a built-in JSON parser, Control API, and predicate locat

no_std json parsers

I built a VHDL simulation engine from scratch in C++20 — lexer, parser, semantic analyzer, linker, and a TUI waveform debugger. Here's why.

A self-hosting compiler-compiler where one grammar yields a C++ parser plus a binary form that C++/Java/Python/JS/Rust runtimes decompile byte-identically

Fig — Universal config file parser + editor

DuckDB V2 PEG-based SQL parser

How to Not Write Parsers

Optimizing memory usage in a markdown parser

mdtext: an incremental markdown parser (not vibecoded)

My parser finds bugs in its own reading, without an answer key

I've created an extensible JS parser in Go

A from-scratch JSON engine for JavaScript: recursive descent parser, escape-aware tokenizer, and spec-compliant serializer

parser of PTX instructions

A regex engine built from scratch in vanilla JavaScript — a hand-written parser and a backtracking matcher. No native RegExp, no dependencies.

http-parsex , just another parser for http request , url and headers (not body)

I was fed up with manual parser writing, so i created(ish) a Parser libary and stopped working on my language(feedback is welcome but i just want to share this almost 4 year old project)

chunked-decoder : parser for Transfer-Encoding: chunked , follow up to my multipart_parser

I’ve been working on a parser generator called Galley and would appreciate feedback

fastx-io 0.3: streaming FASTA/FASTQ parser, and three optimisations that didn't work

Quick & Easy Parser Combinators

We compiled our TypeScript parser to WASM

Oxc (popular front-end tooling) forked my parser but removed my copyright notice

Rust in Production Podcast: Inside RustRover and Its Parser Test Infrastructure

Oxc (popular front-end tooling) forked my parser but deliberately removed my copyright notice

What do you use fuzz tests for, other than parsers?

Show HN: YouTube Guitar Tab Parser

Zero-dependency streaming tar parser and writer for JavaScript

Engineering High-Performance Parsers with Data-Oriented Design

The "Protobuf is always faster than JSON" myth: We built a zero-allocation JSON parser and found out the hard way.

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