Unicode Trie data structure for fast character metadata lookup, ported from ICU

A parser & formatter for ICU NumberFormat skeleton strings & patterns

Convert Domain Names correctly from IDN to Punycode and vice-versa and offer TR46 processing.

An implementation of the Unicode Line Breaking Algorithm (UAX #14)

A robust Punycode converter that fully complies to RFC 3492 and RFC 5891, and works on nearly all JavaScript platforms.

Encode and decode base64 encoded strings

Library to escape Unicode characters

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.

Compact number formatting logic

A JavaScript library for internationalization and localization that leverages the official Unicode CLDR JSON data.

A natural language date parser in Javascript

Colored symbols for various log levels. Example: `✔︎ Success`

Implementation of Structured Field Values for HTTP (RFC9651, RFC8941)

Internationalised error messages for Ajv JSON validator

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

A lightweight implementation of the Unicode Text Segmentation (UAX #29)

A permissive slug generator that works with unicode.

Generate JavaScript-compatible regular expressions based on a given set of Unicode symbols or code points.

Normalize unicode-range descriptors, and can convert to wildcard ranges.

Provides fast access to unicode character properties