CEL definitions and test data
Common Expression Language
Create a regular expression from a regular expression string.
A boxed expression view for dmn-js
Secure, isolated expression evaluation runtime for n8n
Return a regular expression to parse a regular expression string.
Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif
A literal expression view for dmn-js
code-red
Validates the path expressions for the Amazon States Language
A simple, safe, JavaScript Filter Expression compiler for end-users
Low footprint ECMAScript source code parser
Typescript implementation of the JMESPath Community specification
regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.
lezer-based JavaScript grammar
A toolkit of Nullable/Option/Result type implementation in ECMAScript. Their APIs are inspired by Rust's `Option<T>` and `Result<T, E>`.
A mirror of Facebook's dev-expression Babel plugin
Vega expression functions for Vega-Lite selections.
A simple SPARQL expression evaluator
A standalone speech rule engine for XML structures, based on the original engine from ChromeVox.
Convert a JavaScript value to an estree expression
Generate regular expressions from regjsparser’s AST.
A zero-dependency cron parser and scheduler for Node.js, Deno and the browser.
Fast and spec-compliant printf implementation for Node.js and browser.