JSPM

Various helper utilities

Useful utilities for working with Uint8Array (and Buffer)

TypeScript Enum Utilities

Various helper utilities for working with buffers and binary data

A collection of personal utilities to live a happier life

String utilities for Node.js and JavaScript

Template string utilities

Utilities to get and check variable types (isString, isPlainObject, isRegExp, etc)

Emoji-aware unicode string utilities

Fuzzy string matching algorithms and utilities, port of the TheFuzz Python library.

Useful JS utilities.

A collection of utilities for JavaScript strings

Lots of utilities for Node.js

A set of string utilities for parsing and assembly

Utilities for Greek language such as accent and diacritics replacement

A useful library of utilities used by KeystoneJS, and you!

A collection of utilities for manipulating text.

Safe parsing utilities for strings and floats

Utilities for TypeScript library

Hexadecimal utilities

A collection of string manipulation utilities for TypeScript.

Bscotch Utilities: Methods for common Node.js needs.

Utilities for calculating fingerings on string instruments

String utilities

MCP server providing random generation utilities including UUID, numbers, strings, passwords, Gaussian distribution, dice rolling, and card drawing

Standard utilities codes and types.

Lots of utilities for Node.js

sprintf parser and basic formatter

A collection of JavaScript utilities.

Various string utilities from the piton toolkit

String utilities and methods for nodeJS

Utilities for transforming and formatting text (i.e. strings)

Additional Zod schemas and utilities.

Utilities for processing strings or stringify other type data.

Utilities that allow us to do simple management of Guids or uuids as strings

Tiny TypeScript utilities: strings & date formatter

febs is a useful utilities set

Simple utilities for modern [npm](https://www.npmjs.com/) packages.

A comprehensive string utilities module with extensive functionality

string utilities

Written provides a set of utilities for manipulating text, with a focus on providing typographic tools rather than pure string manipulation.

Convenient string utilities

Ultra-lightweight string utilities with zero dependencies

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

kodmunki Utilities for ECMAScript UI Kernel

A library of types and utilities for your TypeScript and JavaScript projects

Type-safe utilities for working in TypeScript. For example, a type-safe property path type, deep partial type, etc.

ANSI escape codes for styling strings in the terminal

Strip ANSI escape codes from a string

Terminal string styling done right

Regular expression for matching ANSI escape codes

Get the visual width of a string - the number of columns required to display it

A modular, production-grade utility toolkit for Node.js and TypeScript, designed for robust, scalable applications (including Express-based services). All utilities are tree-shakable and can be imported independently.

Escape RegExp special characters

Lightweight, dependency-free string utilities for Node.js and TypeScript.

String encoding utilitlies extracted from TweetNaCl.js

Wordwrap a string with ANSI escape codes

Readable regex transformations, validations, and utilities with both static and chainable API.

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

Get the native type of a value.

The string_decoder module from Node core

Strip UTF-8 byte order mark (BOM) from a string

Parse JSON with more helpful errors

Lightweight utility package with 30+ functions for storage, files, dates, and strings - essential utilities for web development

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

Convert a dash/dot/underscore/space separated string to camelCase or PascalCase: `foo-bar` → `fooBar`

Get a stream as a string, Buffer, ArrayBuffer or array

A comprehensive string utilities module with extensive functionality

Modify strings, generate sourcemaps

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Returns true if a string has an extglob.

The string utilities for JavaScript/TypeScript.

ANSI escape codes for manipulating the terminal

Slice a string with ANSI escape codes

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.

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

capitalize the first character of a string

Strip the final newline character from a string or Uint8Array

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

Efficient implementation of Levenshtein algorithm with locale-specific collator support.

Indent each line in a string

ES5 spec-compliant shim for String.prototype.trim

Collection of string utilities. Edit-Distances, Search and Data structures. Offers for example trie, levenshtein distance.

Convert a camelized string into a lowercased one with a custom separator: unicornRainbow → unicorn_rainbow

Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Parse String to Number based on configuration

Measure the difference between two strings using the Levenshtein distance algorithm

Utilities for working with text.

Utilities for manage arrays, breadcrumb, dom elements, dates, injectors, local storage, login, objects, router animations, router, session storage, strings and translate utilities, encryption, for angular 6+ with ECMAScript 6 - ECMAScript 2015

convert a string to kebab case

A robust HTML entities encoder/decoder with full Unicode support.

Get the real length of a string - by correctly counting astral symbols and ignoring ansi escape codes

Querystringify - Small, simple but powerful query string parser.

Easily add ANSI colors to your text and symbols in the terminal. A faster drop-in replacement for chalk, kleur and turbocolor (without the dependencies and rendering bugs).

Strip leading whitespace from each line in a string

Normalize a URL

A JavaScript library for escaping CSS strings and identifiers while generating the shortest possible ASCII-only output.

Compile regular expressions' unicodeSets (v) flag.

Truncate a string to a specific width in the terminal

Small footprint URL parser that works seamlessly across Node.js and browser environments

Strip redundant indentation and indent the string

Generate a unique random string

Validation utilities.

Utilities for handling Arabic strings such as removing diacritics, tatweel, performing token based search and more.

A robust & optimized `String.prototype.repeat` polyfill, based on the ECMAScript 6 specification.

Returns true if a value exists, false if empty. Works with deeply nested values using object paths.

Get the shortest leading whitespace from lines in a string

Generate a cryptographically strong random string

Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible

Simple string utilities (reverse, capitalize, vowels, palindrome)

Detect the indentation of code

Repeat the given string n times. Fastest implementation for repeating a string.

convert a string to snake case

A robust polyfill for the `CSS.escape` utility method as defined in CSSOM.

Trim newlines from the start and/or end of a string

mdast utility to get the plain text content of a node

Determine the East Asian Width of a Unicode character

convert a string to camel case

Get the visual width of the widest line in a string - the number of columns required to display it

JavaScript utilities for arrays.

Parse regular expressions' unicodeSets (v) flag.

a few common utility template tags for ES2015

Replace search occurrences with a replacement string.

A robust & optimized `String.prototype.includes` polyfill, based on the ECMAScript 6 specification.

Test if a value is a string.

Functions for dealing with a PostgresSQL connection string

LZ-based compression algorithm

Insert supplied variable values into a format string.

Wildcard matching tools

Escape a regular expression string or pattern.

Check if a string has ANSI escape codes

Parse and stringify URL query strings

Fastest Levenshtein distance implementation in JS.

Test if a value is a regular expression string.

Convert object keys to camel case

Convert between POSIX and Windows paths.

Get a property from an object using dot (object path) notation.

Check if a character is decimal

Generate string from a token array by interpolating values.

Tokenize a string into an array of string parts and format identifier objects.

Get the gzipped size of a string or buffer

Create a regular expression from a regular expression string.

Check if a character is alphanumerical

Compute ripemd160 of bytes or strings.

Easy way to split a string on a given character unless it's quoted or escaped.

Check if a character is hexadecimal

CommonJS version - The smallest and fastest command-line coloring package on the internet

Check if a character is alphabetical

Math and string formula parser.

Convert a string to lowercase.

A collection of string utilities to avoid extra allocations and enable case insensitivity comparisons.

micromark utility to decode markdown strings

Convert milliseconds to a human readable string: `1337000000` → `15d 11h 23m 20s`

A module that parses a string as regular expression and returns the parsed value.

Convert object keys from camel case

Convert a string to pascal case (upper camelcase).

Create an array by repeating the given value n times.

Formatting Date objects as strings since 2013

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

Hashing made simple. Get the hash of a buffer/string/stream/file.

Split a string on the first occurance of a given separator

Isomorphic, functional type-checking for Javascript

Get the system locale

Convert a string to a valid safe filename

Convert a string index to its line and column position

Simple micro templating

Remove wrapping quotes from a string.

Compare alphanumeric strings the same way a human would, using a natural order algorithm

kodmunki Utilities for ECMAScript Kernel

Mapping between standard locale identifiers and Windows locale identifiers (LCID)

convert a string to pascal case

The most efficient JS implementation calculating the Levenshtein distance, i.e. the difference between two strings.

Functional errors with formatted output

The smallest and fastest command-line coloring package on the internet

Repeat a string - fast

Convert a value to a ReadableStream

ES2017 spec-compliant String.prototype.padEnd shim.

Terminal string styling with tagged template literals

Trim a consecutively repeated substring: foo--bar---baz → foo-bar-baz

Convert a string/promise/array/iterable/asynciterable/buffer/typedarray/arraybuffer/object into a stream

Returns `true` if the value is a primitive.

Functions that surround a string with ansicolor codes so it prints in color.

febs is a useful utilities set in browser

Simple wildcard matching

Strip a substring from the start/end of a string

Remove the trailing spaces from a string.

Capitalize every word in a string: `unicorn cake` → `Unicorn Cake`

Lightweight and performant natural sorting of arrays and collections by differentiating between unicode characters, numbers, dates, etc.

Stringify Object as tree structure

hast utility to get the plain-text value of a node

Check if a string is a URL

Get the line and column number of a specific character in a string

Serializes any DOM node into a String

Escape strings for use as JavaScript string literals

The color gray, in ansi.

Returns true if a windows file path has invalid characters.

Remove leading indentation from ES6 template literals.

Iterate any iterable JS value. Works robustly in all environments, all versions.

Pluralize a word

Stringify is to `eval` as `JSON.stringify` is to `JSON.parse`

fast string hashing function

Strip a byte order mark (BOM) from a string.

Newline character converter

A simple string template function based on named or indexed arguments

Unicode case folding utilities based on the official Unicode Character Database

String manipulation extensions for Underscore.js javascript library.

Native JS murmur hash implementation

Check if a character is a whitespace character

CodeDungeon Utilities [WIP]

Parse JavaScript one character at a time to look for snippets in Templates. This is not a validator, it's just designed to allow you to have sections of JavaScript delimited by brackets robustly.

Utilities to convert data into human readable strings.

hast utility to get the plain-text value of a node according to the `innerText` algorithm

Check if a character is a word character

Elegant spinner for interactive CLI apps

Reduce function calls in a string, using a callback

Beautiful color gradients in terminal output

Check if a string is SVG

Find multiple RegExp matches in a string

Regular expression for matching HTML comments

Pure-JS printf

DOMParser.parseFromString for XML with IE8 fallback

A robust & optimized `String.fromCodePoint` polyfill, based on the ECMAScript 6 specification.

Jest snapshot serializer that beautifies HTML.

Get or set a deep value using a keypath string. Supports bracket and dot notation

Convert Unicode characters to Latin characters using transliteration

Opinionated HTML formatter focused towards making HTML diffs readable.

Slugify a string

Remove any existing casing from a string.

Right pad a string with zeros or a specified string. Fastest implementation.

Returns true if a file path does not contain any invalid characters.

Check if a string is an IP address

The color cyan, in ansi.

The color red, in ansi.

Extensible string utility for converting, identifying and flipping string case

Replace search occurrences with a replacement string.

ES2017 spec-compliant String.prototype.padStart shim.

ES2019 spec-compliant String.prototype.trimLeft shim.

remove diacritics from strings

Convert a string to lowercase.

nlcst utility to transform a tree to a string

Returns true if the value passed is all whitespace.

Convert a string to space case.

sprintf formatting targetted for CLI

Returns `true` if an array has a glob pattern.

Convert HTML entities to HTML characters, e.g. `>` converts to `>`.

Math and string formula parser.

ES2019 spec-compliant String.prototype.trimLeft shim.

String formatting inspired by Python's str.format()

Common formatter utilities to handle numbers, dates, times, etc.