A JavaScript library that breaks strings into their individual user-perceived characters (including emojis!)

font family extension for tiptap

character encoding utilities

A library to find JS RegExp with super-linear worst-case time complexity for attack strings that repeat a single character.

Convert and detect character encoding in JavaScript

Fastest random ID and random string generation for Node.js

invisible characters extension for tiptap

The Yeoman character in your CLI. Like wat.

Detect the dominant newline character of a string

Check if a character is hexadecimal

Cloudflare Turnstile integration for React.

Check if the character represented by a given Unicode code point is fullwidth

Maps lines and columns to character offsets and back.

The heart of the PromptShield ecosystem. A zero-dependency, isomorphic TypeScript engine for detecting invisible characters, BIDI overrides, and homoglyph attacks in AI prompts.

Colorized string diff ideal for text/code that spans through multiple lines

An absurdly small glob matcher that packs a punch.

Parser for FTP server responses

A universally-unique, lexicographically-sortable, identifier generator

Check if a character is alphanumerical

Legacy list of escapable characters in markdown