JSPM

A collection of string manipulation utilities for TypeScript.

String utilities

Utilities for calculating fingerings on string instruments

Standard utilities codes and types.

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

Lots of utilities for Node.js

Bscotch Utilities: Methods for common Node.js needs.

sprintf parser and basic formatter

A collection of JavaScript utilities.

String utilities and methods for nodeJS

Various string utilities from the piton toolkit

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

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

febs is a useful utilities set

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

string utilities

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

A comprehensive string utilities module with extensive functionality

Convenient string utilities

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

ANSI escape codes for styling strings in the terminal

Strip ANSI escape codes from a string

Terminal string styling done right

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

Regular expression for matching ANSI escape codes

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

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

Escape RegExp special characters

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.

Get the native type of a value.

The string_decoder module from Node core

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

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

A comprehensive string utilities module with extensive functionality

Parse JSON with more helpful errors

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

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

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

Modify strings, generate sourcemaps

The string utilities for JavaScript/TypeScript.

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

ANSI escape codes for manipulating the terminal

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

capitalize the first character of a string

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

Strip the final newline character from a string or Uint8Array

Returns true if a string has an extglob.

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

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.

Slice a string with ANSI escape codes

Indent each line in a string

Validation utilities.

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.

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

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.

Ultra-lightweight string utilities with zero dependencies

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

Parse String to Number based on configuration

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

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

Measure the difference between two strings using the Levenshtein distance algorithm

convert a string to kebab case

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

Utilities for working with text.

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.

ES5 spec-compliant shim for String.prototype.trim

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

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

Strip redundant indentation and indent the string

Normalize a URL

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

Generate a unique random string

Generate a cryptographically strong random string

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

Get the shortest leading whitespace from lines in a string

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

convert a string to snake case

Detect the indentation of code

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

JavaScript utilities for arrays.

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

convert a string to camel case

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

Determine the East Asian Width of a Unicode character

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

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

Replace search occurrences with a replacement string.

Parse regular expressions' unicodeSets (v) flag.

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

Functions for dealing with a PostgresSQL connection string

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

Wildcard matching tools

Check if a string has ANSI escape codes

LZ-based compression algorithm

Fastest Levenshtein distance implementation in JS.

Test if a value is a regular expression string.

Convert between POSIX and Windows paths.

mdast utility to get the plain text content of a node

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

Check if a character is decimal

Test if a value is a string.

a few common utility template tags for ES2015

Insert supplied variable values into a format string.

Create a regular expression from a regular expression string.

Escape a regular expression string or pattern.

Compute ripemd160 of bytes or strings.

Convert object keys to camel case

Check if a character is hexadecimal

Parse and stringify URL query strings

Generate string from a token array by interpolating values.

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

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

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

Math and string formula parser.

Get the gzipped size of a string or buffer

Check if a character is alphabetical

Check if a character is alphanumerical

Convert a string to lowercase.

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

micromark utility to decode markdown strings

Convert object keys from camel case

Convert a string to pascal case (upper camelcase).

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

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

Formatting Date objects as strings since 2013

Create an array by repeating the given value n times.

Split a string on the first occurance of a given separator

Isomorphic, functional type-checking for Javascript

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

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

Get the system locale

Convert a string index to its line and column position

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

kodmunki Utilities for ECMAScript Kernel

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

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

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

Convert a string to a valid safe filename

Simple micro templating

Remove wrapping quotes from a string.

Functional errors with formatted output

Repeat a string - fast

Convert a value to a ReadableStream

ES2017 spec-compliant String.prototype.padEnd shim.

Terminal string styling with tagged template literals

convert a string to pascal case

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

Returns `true` if the value is a primitive.

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

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

Strip a substring from the start/end of a string

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

Remove the trailing spaces from a string.

febs is a useful utilities set in browser

Simple wildcard matching

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

Stringify Object as tree structure

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

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

Check if a string is a URL

The color gray, in ansi.

Escape strings for use as JavaScript string literals

Returns true if a windows file path has invalid characters.

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

Remove leading indentation from ES6 template literals.

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

Pluralize a word

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

Serializes any DOM node into a String

Unicode case folding utilities based on the official Unicode Character Database

fast string hashing function

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

Newline character converter

A simple string template function based on named or indexed arguments

CodeDungeon Utilities [WIP]

String manipulation extensions for Underscore.js javascript library.

Utilities to convert data into human readable strings.

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.

Native JS murmur hash implementation

Elegant spinner for interactive CLI apps

Reduce function calls in a string, using a callback

Check if a character is a whitespace character

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

Check if a string is SVG

Find multiple RegExp matches in a string

Beautiful color gradients in terminal output

Regular expression for matching HTML comments

Check if a character is a word character

DOMParser.parseFromString for XML with IE8 fallback

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

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

Opinionated HTML formatter focused towards making HTML diffs readable.

Jest snapshot serializer that beautifies HTML.

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.

The color cyan, in ansi.

Pure-JS printf

Check if a string is an IP address

Slugify a string

Replace search occurrences with a replacement string.

Convert Unicode characters to Latin characters using transliteration

ES2017 spec-compliant String.prototype.padStart shim.

remove diacritics from strings

Returns true if the value passed is all whitespace.

nlcst utility to transform a tree to a string

Convert a string to space case.

The color red, in ansi.

Extensible string utility for converting, identifying and flipping string case

Convert a string to lowercase.

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

Math and string formula parser.

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

ES2019 spec-compliant String.prototype.trimLeft shim.

ES2019 spec-compliant String.prototype.trimLeft shim.

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

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

sprintf formatting targetted for CLI

Provide utilities for common tasks such as, file compression, file download, OS integration, exec, etc

Serialises error object to normal object

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

Lightweight format utility for the browser, based on util.format().

Check if a string only contains alphanumeric characters

Returns `true` if a value exists in the given string, array or object.

[](https://www.npmjs.com/package/levenary) [](https://github.com/tanhauhau/levenary/actions)

Convert efficiently index to/from line-column in a string

Returns the first index at which a given element can be found.

Zero-dependency unicode-aware string tools

Write data to a random temporary file

Convert a string to camel case.

strings comparison matchers for chai

Return the first index at which a given element can be found.

Parses a regular expression string and returns a new regular expression.

Check if a string is HTML

Similar to String#trim() but removes only newlines

Get a pretty output of the original, minified, gzipped size of a string or buffer: 130 B → 91 B → 53 B (gzip)

parses number and unit, '20px' into [20, 'px']

Consume a stream of data into a binary Buffer as efficiently as possible