Compile regular expressions using duplicate named groups to index-based groups.

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.

Base64 and base64url to string or arraybuffer, and back. Node, Deno or browser.

Generate regular expressions from regjsparser’s AST.

Fluent System Icons are a collection of familiar, friendly, and modern icons from Microsoft.

Transform GLOB patterns to JavaScript regular expressions for fast file path matching.

A regular `<table>`, for an async and virtual data model.

A regular expression to match all emoji-only symbols

Regular expression for matching ANSI escape codes

Optimised tokenizer/lexer generator! 🐄 Much performance. Moo!

Regular expressions.

Matches strings against configurable strings, globs, regular expressions, and/or functions

Regex template tag with extended syntax, context-aware interpolation, and always-on best practices

Tiny DOM-element-creation utility

Return a regular expression to parse a regular expression string.

Create a regular expression from a regular expression string.

Utility to convert Mapbox GL Style font names to CSS font definitions

Checks if a given path is a regular file

Self-host the Chiron Hei HK font in a neatly bundled NPM package.

A React helper hook for scheduling a layout effect with a fallback to a regular effect for environments where layout effects should not be used (such as server-side rendering).