A tiny function for escaping a string to be used as the source in a regex.

Create regex for template delimiters.

JavaScript-compatible Unicode data. Arrays of code points, arrays of symbols, and regular expressions for Unicode v17.0.0’s categories, scripts, blocks, bidi, and other properties.

Regular expression for matching HTML comments

Validates mint.json files

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

General purpose validation library for JavaScript

Regular expression for matching email addresses

Engine for Shiki using Oniguruma RegExp engine in WebAssembly

A robust ES3-compatible polyfill for the `RegExp.escape` proposal - see https://github.com/tc39/proposal-regex-escaping

JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

Clear a module from the cache

An incremental regular expression parser in JavaScript; useful for input validation, RegExp

An implementation of the Unicode UTS #46: Unicode IDNA Compatibility Processing

Helper function to check for literal RegEx

A small JS+SVG library for drawing railroad syntax diagrams.

Expand a regular expression pattern into a set of words

Generate regular expressions from regjsparser’s AST.

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

A query library for ECMAScript AST using a CSS selector like query language.