Oniguruma-To-ES
Translates Oniguruma regex patterns (used by Ruby, TextMate, VS Code) to native JavaScript RegExp with high accuracy.
What is Oniguruma-To-ES?
Oniguruma-To-ES is a JavaScript library that translates Oniguruma regular expression patterns into native JavaScript RegExp. It solves the problem of using regexes written for Ruby, TextMate grammars (like those in VS Code and Shiki), or PHP in JavaScript environments, bridging syntax and behavioral gaps between the engines.
Developers working with TextMate grammars for syntax highlighting, those sharing regexes between Ruby/PHP and JavaScript codebases, and anyone needing to run Oniguruma-style regexes in JavaScript with high accuracy.
It provides near-perfect translation fidelity for real-world Oniguruma regexes, often outperforms WASM-based alternatives in speed and bundle size, and supports modern JavaScript targets with advanced emulation features unavailable in other translators.
Overview
👹 Convert patterns from Oniguruma (the regex flavor used by Ruby, TextMate grammars, etc.) to native JavaScript RegExp
Use Cases
Best For
- Converting TextMate grammar regexes for use in JavaScript syntax highlighters like Shiki
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