A sequential letter handler

Compare strings containing a mix of letters and numbers in the way a human being would in sort order.

Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

Module to provide the ordinal letters following a numeral

Convert text to all uppercase letters

Convert text to all lowercase letters

Compare strings containing a mix of letters and numbers in the way a human being would in sort order.

Self-host the Hedvig Letters Sans font in a neatly bundled NPM package.

Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. Used by micromatch.

Expands string index ranges within whitespace boundaries until letters are met

Return a semi-speakable syllable, 2 or 3 letters.

Self-host the Hedvig Letters Serif font in a neatly bundled NPM package.

List of available drive letters for use in Windows OS

Convert text to all lowercase letters with spaces between words

An image or letters that represents a user.

Self-host the Hedvig Letters Serif font in a neatly bundled NPM package.

Abbreviate a number and add unit letters e.g. 2200000 => '2.2m'

Use the Hedvig Letters Serif font family from Google Fonts in your Expo app

Detect repeated letters in a word.

Leave one-shot letters for coding agents working in other repos on your machine. Delivered at session start in Claude Code, Codex, and pi; urgent letters interrupt active Claude Code sessions.