JSPM

Use the @extend at-rule and functional selectors in CSS

Validates password according to flexible and intuitive specifications

utc date helpers

Find the closest package.json file

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

A light assertion library built with JSON APIs in mind.

A library for textually searching arrays and hashes of objects by property (or multiple properties). Designed specifically for autocomplete.

Match a pattern within a stream

A library implementing different string similarity

Convert Gitignore to Glob patterns

Ukkonens approximate string matching algorithm for finding edit distance similar to Levenshtein

resolve package root and package.json paths , work on node 17 too

An absurdly small glob matcher that packs a punch.

Quickly parse & match URLs

Match filepath is validated, or exclude filepath that don't need.

Optimized and powerful regexes for JavaScript

This package includes the [core-js](https://github.com/zloirock/core-js) polyfill for `String#replaceAll`, along with TypeScript typings.

Super small `Element.matches` fix for older browsers (IE 9+, Edge 12+, Safari, Android browsers)

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

Human-friendly replacements.

Utilities for working with match patterns.

Replace matches in a Buffer

Get the name of a project, from package.json, git config, or basename of the current working directory.

Loads package.json, by finding the first directory with a package.json, recursing up, starting with the given directory.

A collection of regular expressions to match color syntax substrings from a text

Fuzzy match a command from a list (typo-safety)

Bash-powered globbing for node.js

Create a new object filtered to have only properties for which the callback returns true.

A isomorphic, bullet-proof, ninja-ready route parsing, matching, and reversing library for Javascript in Node and the browser.

Utility for getting an assemble view from a collection object.

Regular expression for matching javascript require statements.

Utilities for IPv4/IPv6 ranges/subnets/masks parsing/matching, string representations, ...

Port of diff-match-patch to TypeScript.

A simple function that conforms npm package version matching behavior.

Match substrings on the left or right of a given index, ignoring whitespace

A function to extract any colors from a string

React spreadsheet import for xlsx and csv files with column matching and validation

Regular expression for matching email addresses

match or ignore url path

Routing for static site generators, build systems and task runners, heavily based on express.js routes but works with file objects. Used by Assemble, Verb, and Template.

Returns true when the given `name` matches any of the path properties on a vinyl file.

Walk up the tree to resolve `tsconfig.json` configuration objects.

RegExp for gfm (GitHub Flavored Markdown) fenced code blocks.

Replace text patterns with applause.

Tool to convert the patterns and globs of your WebExtension manifest to regex

Iterates over the elements in an array, returning an array with only the elements for which the callback returns truthy.

A tool to enable the checking, inserting and removal of licenses

Extract gfm (GitHub Flavored Markdown) fenced code blocks from a string.

link to URL path matching borrowed from React Router

a responsive equal heights plugin for jQuery

Rust's Option<T> and Result<T, E>, implemented for TypeScript.

An extremely fast and lightweight glob-matching library with advanced features

Get the language associated with a file extension or the extensions associated with a language using the data from GitHub's [Linguist YAML file](https://github.com/github/linguist/blob/master/lib/linguist/languages.yml)

Regular expression for matching JavaScript comments

Replace text patterns with applause.

Human-friendly replacements.

a simple chai plugin for asserting on types

Match the case of `value` to that of `base`

Sorting and matching utility using configurable string, glob, regular expression, and/or function matchers

Replace text patterns with applause.

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url]

Regex for matching dot-directories, like `.git/`

file globbing for node.js. speedy and powerful alternative to node-glob.

Replace matching strings and regexes in files

Check if an element matches a given selector

`safety-match` provides pattern matching for JavaScript, TypeScript, and Flow.

Replace text patterns with applause.

Browser extension URL pattern matching

A regular expression that only matches a valid Github username

Find files or directories by walking up parent directories.

Match mqtt formatted topic strings to strings

A regex to match the :emoji: snippets in a string.

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

A library for textually searching arrays and hashes of objects by property (or multiple properties). Designed specifically for autocomplete.

A simple utility to check if a string is an ISO-compliant date.

A isomorphic, bullet-proof, ninja-ready route parsing, matching, and reversing library for Javascript in Node and the browser.

Fast library for matching MQTT patterns with named wildcards

assert + matchers <3

A module for testing URLs against Chrome and Firefox match patterns.

murl is fast url pattern matching and replacing

Create a matching function from a glob pattern, regex, string, array, object or function.

A node-red node to match messages by property values.

Pattern match for NLCST.

Parse a Bitbucket URL into an object.

Checks if one input matches another

fast-find-in-files recursively searches sub-directories for needle matches

A regex for matching punycode.

Return an array of resolved filepaths for require-able local or named npm modules. Wildcard (glob) patterns may be used.

Filter an object by its keys or values. Returns a copy of an object filtered to have only keys or values that match the given glob patterns.

Create pattern based AST matcher function

Filter an object values using glob patterns or with a `callback` function returns true.

Human friendly file system utilities for Node.js

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Filter the keys of an object using glob patterns.

Keep your package.json version requirements satisfied

Return `true` if a file path ends with the given string/suffix.

A collection of string matching algorithms built with React Select in mind

Match a string against a list of patterns

Simplest way to create match memory games.

Allow conditional matching in React JSX.

Utility functions to mark and/or highlight character matches in texts

Regular expresson for matching dotfiles.

Search.io JavaScript SDK

Regular expression for matching words in a string. Support for english, CJK and Cyrillic.

Use CSS selectors to match nodes in a custom object tree

Tools to use handle plain JS objects as immutable objects

Replace multiple substrings in a string in turn

replace strings that match a particular pattern with a React Component, recursively

Find a file by walking up parent directories

Regular expression for matching non-ASCII characters

支持多音字, 繁体字，首字母缩写的拼音搜索引擎

Generate JavaScript-compatible regular expressions with chinese/jp/zh/cn

Array of RegExp.prototype.exec results

A plugin to scan a file for a string or expression

Count the words in a string. Support for english, CJK and Cyrillic.

Match the words in a string. Support for english, CJK and Cyrillic.

Snapdragon plugin that adds a capture method to the parser instance.

Helper functions to verify an AST structure

Fast fuzzy string matching with scoring and matched ranges

A mongoose plugin that casts $match at aggregation pipelines whenever possible

Simple JavaScript plugin to make different elements the same height.

Parse a string into an array of objects with `name`, `email` and `url` properties following npm conventions. Useful for the `authors` property in package.json or for parsing an AUTHORS file into an array of authors objects.

Observable-based glob

Match a MQTT Topic against Wildcards

Event emitter for watching text streams with regex patterns

Regular expression for matching the parts of glob pattern.

Validates given IPs (IPv4 and IPv6) using [micromatch][] - glob patterns, RegExp, string or array of globs. If match returns the IP, otherwise null.

Utilities for JavaScript Iterable and AsyncIterable

Search files with glob pattern and create VFile objects from them

Find the root directory of a `git` repository

Find and replace utility for node.js. Transform strings by running multiple RegExp or string find-and-replace patterns on a string in sequence, reducing the final string to the accumulated result of each transformation. Patterns can be strings (or arrays

Regular expression which matches a string with no 4-byte characters

A Day.js plugin for matching and generating recurring dates.

Semver matching plugin for AJV

No dependencies, Light weight, Makes elements equal height.

Easily found out if an ES6 Iterator match what you expected

Search files with glob pattern and read them, Observable way

Affine transformation estimator e.g. for multi-touch gestures and calibration

A JavaScript package to return captured groups of a regular expression as an object.

Regular expression to match a semantic version string.

Validate options object

Replace text patterns with a given replacement.

Addon to node_redis for atomic deletes using wildcards in keys

Strip a url to only match the `pathname`.

RegExp for finding an RFC4122 compliant UUID in a string.

> zero dependencies, ~1kb render prop wrapper of window.matchMedia

Check if an element matches a given selector

Regular expression for matching DOIs

Filter an object using glob patterns and dot notation.

Tiny http routing helper

Load plugins for gulp, grunt, assemble, verb any node.js app that needs to load plugins from node_modules or local folders.

A safer regex match.

Error handling tools

Transform a string with an array of replacement patterns.

Utility for returning a list of arrays that contain matching keywords. Useful for filtering package.json files.

String.prototype.includes() but using localeCompare.

Check if a string is a valid E. 164 phone number

Lightweight solution to evalute if JSON match desired input

Checks if provided string looks like a valid path

Get the line number for each regex match found in a string.

Watch files and transform their content

Powerful pattern matching for Javascript

Zero-runtime pattern matching

Determine if a single match exists with an array of strings/numbers/regexes.

Strip ANSI colors, attributes from a string

A Jest matcher for image comparisons based on pixelmatch. Can also be used with Mocha. Useful for visual regression testing.

Find all matches for the text in electron app

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`

Censor or highlight words and other patterns intelligently.

TypeScript implementation of the Aho-Corasick algorithm for efficient string matching

Simplified version of https://github.com/jonschlinkert/parse-github-url

Match strings using bash. Does not work on windows, and does not read from the file system. This library requires that Bash 4.3 or higher is installed and is mostly used for checking parity in unit tests.

array fuzzy match

Exhaustiveness checking in TypeScript

Like window.matchMedia() but for HTML elements

Express middleware for matching requests to a pattern

Object properties matcher for Chai, contained arrays must contain identical objects in order

Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.

Supersonic reverse matching engine

Aho–Corasick string matching algorithm

Regular expression for matching IP addresses (IPv4 & IPv6). This is a fork of sindresorhus/ip-regex, but with CommonJS support.

Finds degree of similarity between strings, based on Dice's Coefficient.

JavaScript SDK for the Sajari search API

Simply sort by similarity, starring Levenshtein via leven

Javascript library to check if 1st json is equal by the 2nd json

Express middleware to return hard-coded response for requests with url matching specified pattern

Asynchronous String.prototype.replace, sequential or parallel

The simplest and fastest glob method implementation.

A React component for finding matches within a split string.

Javascript port of PHP's match() control structure.

Text diff algorithm based on 'An O(NP) Sequence Comparison Algorithm' from Sun Wu, Udi Manber and Gene Myers

A nodejs library for phonetic string matching which exposes implementation of phonetic algorithms like soundex, metaphone and double-metaphone algorithms.

Easy pattern match and replace text.

Check, does a plain object (AST/JSON) has any unique keys, not present in a reference object (another AST/JSON)

Loads package.json, by finding the first directory with a package.json, recursing up, starting with the given directory.

Check if a string is an IP address. This is a fork of sindresorhus/is-ip, but with CommonJS support.

A isomorphic, bullet-proof, ninja-ready route parsing, matching, and reversing library for Javascript in Node and the browser.

A small, flow-covered, zero-dependency package to work with wildcard (*) values by matching, searching, and filtering values that match a given wildcard pattern. (Works in Browser)

Merge JSON with indicators such as @override, @match, @delete and @insert to tell the processor how to merge the files.

Simple tagged unions

Declarative arguments-resolver

Match require statements in a string. Returns an array of matching require statements. Each match is an object with line number, variable name, and module name. Statements in code comments are ignored.

🏄 get blocks of balanced pairs, eg: {} \<a>\</a> or code fences ```

Stable and lovely router for [koa][], using [path-match][]. Foundation for building powerful, flexible and RESTful APIs easily.

A set of JavaScript array helper functions: position, contains, match, exclude, find, update, replace, move, swap, first, last, unique.

Multiline code search for every language. Structural code search for JavaScript, TypeScript, HTML and CSS

s-expression match patterns for Mozilla Parser AST

Function regex. Regular expression for matching function parts. Expose match groups for function name, arguments and function body.

A chai plugin that adds .matchWildcard

Parse function to object with same key names as arguments names and values that you pass in same order.

React to media query changes in your Vue 3 application (useful for adaptive design).

Yet another javascript fuzzy matching library

React spreadsheet import for xlsx and csv files with column matching and validation

Runtime validation for TypeScript

Library for generating, parsing, and evaluating LDAP filters

@reliverse/rematch is a high-performance minimal glob matcher, with micromatch-level power, zepto-level size, and reliverse-grade dx.

Find matching bracket in Js/Ts/Cs code (including string Template literals interpolation)

Match a string using an SQL pattern.

Find a file by walking down parent directories.

Replace text patterns with applause.

Filter all matching or non-matching media queries

Resolve paths to globally installed npm modules using glob patterns. Useful for getting paths to yeoman or Generate generators, etc.

Find object recursively by query

A TypeScript tool to compare array quickly and you can do something when matching

A simple url matching utility for micro.

Super simple URL match patterns library

Replace text patterns with applause.

A pure javascript implementation of the Stable Matching Algorithm.

A find and replace utility, using Frep. Replace strings or arrays of strings with an array of replacement patterns.

Regular expression for matching mapcodes

Functions for fuzzy matching and items filtering

BemCell parser

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

Lightweight library that finds matches of an image within another image

Regular expression for matching IP:PORT addresses

A simple matcher with regex cache.

A library for textually searching arrays and hashes of objects by property (or multiple properties). Designed specifically for autocomplete.

Calculate string distance using Damerau–Levenshtein method.

Korean Hangul Utils

Powerful string matching insensitive to diacritics, special characters, symbols and case

Create custom ESLint rules based on code samples. Utilizing CodeQue - structural code search engine.

helper for text highlighting

MongoDB query compatible object match

[](https://www.npmjs.com/package/gulp-git-status-filter)  [![Dependency Status](https://david-d

Web Component Recipe Helpers

Loads de-duped grunt tasks from parent or sibling modules.

Find semver versions in a string: `unicorn v1.2.3` → `1.2.3`

Given a child element, climb up the DOM and find the first parent element matching your criteria

Get files from a configuration using globule.