RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching
brevity1swos/rgx
regex101 for the terminal — real-time matching, 3 engines, capture groups, replace mode, syntax highlighting, plain-English explanations, undo/redo, mouse support. Written in Rust.
RegExr: Learn, Build, & Test RegEx
RegExr is an online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
A DEVELOPER PROVED THE REGEX YOU'VE WRITTEN A THOUSAND TIMES IS SECRETLY A COMPILER AND THAT ALMOST NO ONE WHO USES THEM HAS ANY IDEA WHAT ACTUALLY RUNS 36 minutes from Paul Wankadia, the engineer behind a regex engine that compiles your pattern straight down to raw machine code https://t.co/pMhg9AxYbJ
A DEVELOPER PROVED THE REGEX YOU'VE WRITTEN A THOUSAND TIMES IS SECRETLY A COMPILER AND THAT ALMOST NO ONE WHO USES THEM HAS ANY IDEA WHAT ACTUALLY RUNS36 minutes from Paul Wankadia, the engineer behind a regex engine that compiles your pattern straight down to raw machine code… https://t.co/XgyFxNmImW pic.twitter.com/pMhg9AxYbJ— slash1s (@slash1sol) June 5, 2026
RFC: plyr.fm JavaScript SDK & Embeddable Web Components - Nate Spilman
Authors: Nate Spilman, Claude 4.6 OpusStatus: DraftDate: 2026-03-151. SummaryThis RFC proposes a JavaScript/TypeScript package that provides:Headless SDK — t...
regex101: build, test, and debug regex
Regular expression tester with syntax highlighting, explanation, cheat sheet for PHP/PCRE, Python, GO, JavaScript, Java, C#/.NET, Rust.
Fast regex search: indexing text for agent tools · Cursor
How we're building indexes for regular expression search so agents can find text in large monorepos without the 15-second ripgrep waits.
GitHub - assetnote/react2shell-scanner: High Fidelity Detection Mechanism for RSC/Next.js RCE (CVE-2025-55182 & CVE-2025-66478)
High Fidelity Detection Mechanism for RSC/Next.js RCE (CVE-2025-55182 & CVE-2025-66478) - assetnote/react2shell-scanner
The many, many, many JavaScript runtimes of the last decade
This last decade has seen an inundation of new JavaScript runtimes (and engines in equal measure), enabling us to run JavaScript in all manner of contexts...
Fresh 2.3: Zero JS by default, View Transitions, and Temporal support | Deno
Fresh 2.3 ships true zero-JS pages, View Transitions, CSP nonce support, IP filtering, and Temporal API support in islands.
JSR: the JavaScript Registry
JSR is the open-source package registry for modern JavaScript. JSR natively supports TypeScript, and works with all JS runtimes and package managers.
Next.js — The Perpetual Beta Framework
Exploring 6 years of Next.js, from early days to App Router & RSC, with migrations, performance tweaks, and framework insights
Port amazing nope-id optimizations by ai · Pull Request #602 · ai/nanoid
A tiny (118 bytes), secure, URL-friendly, unique string ID generator for JavaScript - Port amazing nope-id optimizations by ai · Pull Request #602 · ai/nanoid