JSPM

Simple String Variable Replacement Formatter

sprintf parser and basic formatter

Opinionated HTML formatter focused towards making HTML diffs readable.

A string formatter and validator based on masks

Custom formatter that converts any string into Title Case

Angular Number Formatter - formats the number into human readable format when in Thousands, Millions and Billions.

A string manipulation toolbox, featuring a string formatter (inspired by sprintf), a variable inspector (output featuring ANSI colors and HTML) and various escape functions (shell argument, regexp, html, etc).

Number formatter for imperial measurements with support for vulgar fractions

Snake and camel case formatter

awesome string formatter

sprintf formatting targetted for CLI

Custom string formatter that converts any string into [Title Case](http://www.grammar-monster.com/lessons/capital_letters_title_case.htm)

format an error into string / json for log

Turkey Tel Number Formatter

Simple converters from case to case for string and Record. It can canvert below cases each other.

A barebones yet feature-rich string formatter.

String formatter utility for Javascript

A string formatter and validator based on masks

Jest snapshot serializer that beautifies HTML.

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

ANSI escape codes for styling strings in the terminal

Strip ANSI escape codes from a string

Terminal string styling done right

Custom string formatter that converts any string into [Title Case](http://www.grammar-monster.com/lessons/capital_letters_title_case.htm)

Escape RegExp special characters

Regular expression for matching ANSI escape codes

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

Wordwrap a string with ANSI escape codes

Get the native type of a value.

Ethiopian Telephone Number Formatter

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

The string_decoder module from Node core

Raw text parser, cleaner and formatter

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

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

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

Parse JSON with more helpful errors

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

string formatter for capitalize sentences

a collection of data formatter functions

Format number to string by pattern

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.

ANSI escape codes for manipulating the terminal

Slice a string with ANSI escape codes

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

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.

Strip the final newline character from a string or Uint8Array

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

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

Indent each line in a string

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

Opinionated HTML formatter focused towards making HTML diffs readable.

A string formatter inspired by Angular's text interpolation.

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

ES5 spec-compliant shim for String.prototype.trim

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

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).

Querystringify - Small, simple but powerful query string parser.

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

Measure the difference between two strings using the Levenshtein distance algorithm

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

Parse String to Number based on configuration

Normalize a URL

Strip leading whitespace from each line in a string

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

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

Compile regular expressions' unicodeSets (v) flag.

Generate a cryptographically strong random string

Truncate a string to a specific width in the terminal

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

Strip redundant indentation and indent the string

Dead simple string formatter

Get the shortest leading whitespace from lines in a string

Generate a unique random string

Insert supplied variable values into a format string.

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

Detect the indentation of code

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

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

Check if a string has ANSI escape codes

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

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

Convert object keys to camel case

mdast utility to get the plain text content of a node

Parse and stringify URL query strings

a few common utility template tags for ES2015

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

Parse regular expressions' unicodeSets (v) flag.

An extensible string formatter for Node.js

Functions for dealing with a PostgresSQL connection string

Wildcard matching tools

Determine the East Asian Width of a Unicode character

Fastest Levenshtein distance implementation in JS.

LZ-based compression algorithm

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

🐌 Zing is a C# style String formatter for JavaScript that empowers Strings with positional arguments - composite formatting. 🚀

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

Get the gzipped size of a string or buffer

Convert a string to pascal case (upper camelcase).

Check if a character is alphanumerical

Check if a character is decimal

Create an array by repeating the given value n times.

Check if a character is hexadecimal

Convert object keys from camel case

Check if a character is alphabetical

Compute ripemd160 of bytes or strings.

Math and string formula parser.

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.

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

micromark utility to decode markdown strings

Formatting Date objects as strings since 2013

Isomorphic, functional type-checking for Javascript

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

Get the system locale

Split a string on the first occurance of a given separator

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

Simple micro templating

Remove wrapping quotes from a string.

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

Convert a string to a valid safe filename

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

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

A dull string formatter

ES2017 spec-compliant String.prototype.padEnd shim.

Convert a value to a ReadableStream

Repeat a string - fast

Functional errors with formatted output

Format the entered values.

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

Convert a string index to its line and column position

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

Various helper utilities

Strip a substring from the start/end of a string

Terminal string styling with tagged template literals

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

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

Simple wildcard matching

Returns `true` if the value is a primitive.

Escape strings for use as JavaScript string literals

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

Remove the trailing spaces from a string.

Newline character converter

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

Serializes any DOM node into a String

Remove leading indentation from ES6 template literals.

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

Pluralize a word

fast string hashing function

A JavaScript String Formatter

Returns true if a windows file path has invalid characters.

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

Check if a character is a whitespace character

The color gray, in ansi.

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

A simple string template function based on named or indexed arguments

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

Check if a string is a URL

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.

Stringify Object as tree structure

Check if a character is a word character

String manipulation extensions for Underscore.js javascript library.

Elegant spinner for interactive CLI apps

Useful utilities for working with Uint8Array (and Buffer)

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

Check if a string is SVG

Regular expression for matching HTML comments

Find multiple RegExp matches in a string

Native JS murmur hash implementation

Pure-JS printf

DOMParser.parseFromString for XML with IE8 fallback

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

ES2017 spec-compliant String.prototype.padStart shim.

ES2019 spec-compliant String.prototype.trimLeft shim.

Convert Unicode characters to Latin characters using transliteration

Reduce function calls in a string, using a callback

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

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

Slugify a string

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

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

Returns true if the value passed is all whitespace.

Remove any existing casing from a string.

Beautiful color gradients in terminal output

ES2019 spec-compliant String.prototype.trimLeft shim.

Check if a string is an IP address

Extensible string utility for converting, identifying and flipping string case

The color cyan, in ansi.

The color red, in ansi.

Convert a string to space case.

String encoding utilitlies extracted from TweetNaCl.js

remove diacritics from strings

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

nlcst utility to transform a tree to a string

Decent String Formatter for Javascript

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

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

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

Serialises error object to normal object

String formatting utilities for content editable div input

Write data to a random temporary file

String formatter like python in Nodejs

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

Replace search occurrences with a replacement string.

A javascript module that scans through string to remove non-numerals and formats out any found numbers based on configuration passed to it.

Check if a string only contains alphanumeric characters

Similar to String#trim() but removes only newlines

Convert a string to camel case.

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

Math and string formula parser.

Test if a value is a string.

Escape a regular expression string or pattern.

strings comparison matchers for chai

Generate string from a token array by interpolating values.

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

Zero-dependency unicode-aware string tools

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

Convert between POSIX and Windows paths.

String formatter.

Test if a value is a regular expression string.

Check if a string is HTML

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

Custom formatter that converts any string into Title Case

easier than regex string matching patterns for urls and other strings. turn strings into data or data into strings.

Return a regular expression to parse a regular expression string.

Iterator over lines in a string

Create a regular expression from a regular expression string.

The color blue, in ansi.

Returns true if the given number is odd, and is an integer that does not exceed the JavaScript MAXIMUM_SAFE_INTEGER.

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

Allocate a buffer containing a provided string.

tiny http client for Node and the browser

slugifies even utf-8 chars!

Regular expression for matching URLs

Pad strings to a given length

Contains some util methods for converting numbers into words, ordinal words and ordinal numbers.

A robust & character encoding–agnostic JavaScript implementation of the `Quoted-Printable` content transfer encoding as defined by RFC 2045.

Escape a string for use in AppleScript

Convert a string to lowercase.

Convert HTML/XML source code or DOM nodes to React elements

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

Convert a camelized/dasherized/underscored string into a humanized one: `fooBar-Baz_Faz` → `Foo bar baz faz`

small function to append a query string to a URL

Get the length of unicode strings

Convert a string into a stream (streams2)

parse a css color string

A fully Unicode-aware string reverser written in JavaScript.