JSPM

Replace search occurrences with a replacement string.

Replace search occurrences with a replacement string.

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

Search & replace across files with a CLI tool that makes you trust what you are doing.

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

Grunt plugin to search and replace text content of files based on regular expression patterns

Generates a regular expression for "Romaji Fuzzy Search"

JavaScript port of portions of Google Code Search

Search for files or folders by regular expression in the directory where Node was started.

Regular expression for matching ANSI escape codes

Command line regular expression search and replace

A regular expression to match all Emoji-only symbols as per the Unicode Standard.

Escape RegExp special characters

A library to find JS RegExp with super-linear worst-case time complexity for attack strings that repeat a single character.

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

Get the native type of a value.

Express style path to RegExp utility

Match balanced character pairs, like "{" and "}"

Glob matching for javascript/node.js. A replacement and faster alternative to minimatch and multimatch.

Regular expression for matching a shebang line

Tiny JavaScript tokenizer.

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

Ignore is a manager and filter for .gitignore rules, the one used by eslint, gitbook and many others.

Give a regex, get a robust predicate function that tests it against a string.

ES6 spec-compliant RegExp.prototype.flags shim.

Regular expression parser for ECMAScript.

Compile regular expressions using the `s` (`dotAll`) flag to ES5.

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

Compile regular expressions using named groups to ES5.

Generate regular expressions from regjsparser’s AST.

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

Compile regular expressions' unicodeSets (v) flag.

Compile Unicode property escapes in Unicode regular expressions to ES5.

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

Convert globs to regular expressions

Spec-compliant polyfill for String.prototype.matchAll

Regular expression parser for ECMAScript.

Parse regular expressions' unicodeSets (v) flag.

Compile regular expressions using duplicate named groups to index-based groups.

Fast, minimal glob matcher for node.js. Similar to micromatch, minimatch and multimatch, but complete Bash 4.3 wildcard support only (no support for exglobs, posix brackets or braces)

Check if a string has ANSI escape codes

Tokenizes a string that represents a regular expression.

Replace matching strings and regexes in files

Compile inline regular expression modifiers

Regular expression for matching IP addresses (IPv4 & IPv6)

Returns true if a filepath is a windows UNC file path.

Generate regular expressions from regjsparser’s AST.

Regular Expressions parser in JavaScript

Regular expression for testing if a file path is a windows UNC file path. Can also be used as a component of another regexp via the `.source` property.

Check if a value is a regular expression

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

Regular expression for getting the root of a posix or windows filepath.

Regular expression for matching semver versions

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

Clean up regular expressions

Regular expression for matching reserved filename characters

Glob to regular expression with support for extended globs

Create random strings that match a given regular expression.

Simple wildcard matching

Regex for matching HSLA colors.

Regex for matching RGBA color strings.

The best regular expression (regex) for matching hex color values from string.

Regex for matching HSL colors.

Regex for RGB color strings.

Memoize the results of a call to the RegExp constructor, avoiding repetitious runtime compilation of the same string and options, resulting in surprising performance improvements.

Extended regular expressions

Returns true if a windows file path has invalid characters.

Parse a glob pattern into an object of tokens.

Regular expression for matching file names, with or without extension.

Find multiple RegExp matches in a string

Return true if a file path is (or has) a dotfile. Returns false if the path is a dot directory.

dockerignore is a file filter library compatible with Docker and the node-ignore API

Cucumber Expressions - a simpler alternative to Regular Expressions

Returns true if the given string is a POSIX bracket expression (POSIX character class).

A very simple and stupid parser, based on a statemachine and regular expressions.

Convert Oniguruma patterns to native JavaScript RegExp

Clone and modify a RegExp instance

A library for analysing JS RegExp

Regular expression for matching HTML comments

Check if a string is an IP address

Regex template tag with extended syntax, context-aware interpolation, and always-on best practices

Regular expression for matching scoped npm package names

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

A tiny (399B) utility that converts route patterns into RegExp. Limited alternative to `path-to-regexp` 🙇‍

Make a regular expression time out if it takes too long to execute

A library for finite automata and regular expressions in the context of JS RegExp

Recursive matching plugin for Regex+

Optimized and powerful regexes for JavaScript

A regular expression to match all emoji-only symbols

Regular expression for matching javascript require/import statements.

Make a synchronous function have a timeout

A tiny and extremely fast library for compiling and matching basic glob patterns

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

Parse, validate, traverse, transform, and optimize Oniguruma regular expressions

ESLint plugin for finding RegExp mistakes and RegExp style guide violations.

Parse an author, contributor, maintainer or other 'person' string into an object with name, email and url properties following npm conventions.

Regular expression for parsing an `author` string into an object following npm conventions.

Regular expression builder for JavaScript with search mode options.

Array extras for regular expressions

Check whether a RegExp flag is supported

Escape a regular expression string or pattern.

Test if a value is a regular expression.

Test if a value is a regular expression string.

Return a regular expression to capture a function name.

Create a regular expression from a regular expression string.

Regular expression to detect an extended-length path.

Return a regular expression to match a newline character sequence.

Strip ANSI color codes from a string. No dependencies.

Return a regular expression to parse a regular expression string.

A regular expression that matches a CHANGELOG filename

Parse parentheses from a string

Quickly parse & match URLs

Match balanced character pairs, like "{" and "}"

Regular expression for matching issue references

Regex to validate that a URL is a git url.

Dependency-free request URI matcher

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

Escape regular expression special characters

Tiny glob->regex converter

Regular expression for matching CSS urls.

Regular expression for matching npm organization names

Covert Oniguruma-flavor Regexp to JavaScript native RegExp

A source code transpiler that enables the use of ES2015 Unicode regular expressions in ES5.

Weapon regeX mutates regular expressions for use in mutation testing.

Regular expression matching for URL's. Maintained, safe, and browser-friendly version of url-regex. Resolves CVE-2020-7661. Works in Node v10.12.0+ and browsers.

3x as fast as `is-whitespace` and `whitespace-regex` thanks to `is-string-blank`. This package is a simple function that accepts an argument and returns `true` if it is a string AND it is not blank. Supports Node and Browser environments.

A utility to compile browserslist query to a RegExp to test browser useragent.

Provides a regex that can be used to test if a string is a valid NPM package name.

Regexp-like string matcher.

Simple, flexible file copy utility

Regular expression for matching JavaScript identifiers

A lite useragent regexes collection.

Escape RegExp special characters

Escape regular expression special characters

Check if a string is an IP address

Converts PCRE regexp strings to JavaScript RegExp instances

Get the YouTube, Vimeo, Vine, VideoPress, TikTok, Microsoft Stream, Loom or Dailymotion video id from a url or embed string.

Cross browser String#split implementation

Micro parser for detection of literal regexes

Asynchronous String.prototype.replace()

ESLint rules using Regular Expression

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).

Regular expression based version read/write plugin for release-it

Google's RE2 library distributed as a WASM module

A batch string/regexp replace plugin for gulp

Check if a string is a valid filename

Create regex for template delimiters.

Tagged template string regular expression compiler.

A utility for slicing text based on search words.

The trustworthy ReDoS checker

Bash-powered globbing for node.js

match capture groups and return index

[![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 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)

Human-friendly replacements.

Copy or deep clone a value to an arbitrary depth.

Regular expressions for various Unicode character classes extracted from XRegExp

Quickly parse & match URLs

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

A fork of `recursive-copy`: Simple, flexible file copy utility

Regular expression for matching javascript require statements.

Regular expression for matching email addresses

Regular expression to parse a regular expression string.

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

Replace text patterns with applause.

Escapes special characters in a string, for matching substrings with a RegExp instance.

ESLint plugin for catching ReDoS vulnerability

Copy or deep clone a value to an arbitrary depth.

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.

Express style path to RegExp utility

A tiny function for escaping a string to be used as the source in a regex.

a lightweight package with no user dependecies that allows users to chain a verbose function to create a Regular Expression. It can also be used to create a verbose version of an existing regular expression for reference

oniguruma regular expression library

Regular expression for matching JavaScript comments

Regular expressions.

Regular expression for matching es6 template delimiters in a string.

Regular expression parser for ECMAScript.

Replace text patterns with applause.

🐊Putout plugin helps with regexp

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

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

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

Filters file paths using globs, regular expressions, or custom criteria

Modify rollup output with find / replace dynamically

Replace text patterns with applause.

Lightweight http server statically configurable using regular expressions

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

A regular expression that only matches a valid Github username

rollup replace plugin

Human-friendly replacements.

Replace text patterns with applause.

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

putout operator adds ability to check if provided regexp can be converted to string without loosing it's sense

JavaScript-compatible Unicode data. Arrays of code points, arrays of symbols, and regular expressions for Unicode v15.0.0’s categories, scripts, blocks, bidi, and other properties.

JavaScript Extended regular expression engine - client side, server side and 'angular side' ready.

One-pass String.prototype.replace-like processor with multiple regexps and replacements

Regular expression for usernames - it follows the same rules that GitHub uses.

Replace special characters to their simple characters

A robust & optimized `RegExp.prototype.search` polyfill, based on the ECMAScript 6 specification.

Converts Python-like (re) regular expressions to JavaScript RegExp instances

Next JavaScript Object Notation

Utilities for manipulating regular expressions

Skiff is a privacy-first, end-to-end encrypted workspace with Mail, Calendar, Pages, and Drive product. Sign up for a free Skiff Mail account at [skiff.com](https://skiff.com). This monorepo contains all Skiff apps, libraries, and more. You can sign up, u

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

Generate a random string match a given regular expression, suitable for mocking strings.

Escape RegExp special characters. This is a fork of sindresorhus/escape-string-regexp, but with CommonJS support.

Regexp for data-uri

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

Enables modern RegExp features in JavaScript

Provides RegExp.escape function for quoting text for a regular expression.

Validates and converts Cucumber JSON for different Cucumber implementations and versions

Check that given value is valid hex color, using `hex-color-regex` - the best regex for matching hex color values

JavaScript-compatible Unicode data. Arrays of code points, arrays of symbols, and regular expressions for Unicode v13.0.0’s categories, scripts, blocks, bidi, and other properties.

\Q..\E (quotemeta) support for XRegExp

Extends JavaScript RegExp with named groups, backreferences and replacement.

A parser combinator library like Parsec.

Does one simple thing - gets the flags from a regular expression. Useful for cloning and any library that uses or generates regular expressions that are created from other regular expressions.

Regular Expression Detection & Replacement streams.

Match a string against a list of patterns

check RegExp ( regular expressions ) support

Ένα JS package για node ή browser (με TypeScript types) με μεθόδους που διευκολύνουν την αναζήτηση ελληνικού κειμένου

Regular expression for matching non-ASCII characters

[](https://npm.im/npm) [](https://npm.im/npm) [](ht

搜尋字串用的漢字貪婪轉換表

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

regexp-helper

Check Any file with ESLint

ESLint rules to disallow unsafe regular expressions.

轉換 簡繁日 當中共通的 漢字

## 繁簡轉換對應表

簡繁日 共通字/轉換表

Regex to match a percentage value

Get CSS urls from a string.

簡繁轉換表

convert chinese, japanese 簡繁日漢字轉換 ( merge/split submodule from node-novel, regexp-cjk, str-util )

A regular expression to match hashtag identifiers as per the Unicode Standard.

Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.

regexp-helper-core

JavaScript-compatible Unicode data. Arrays of code points, arrays of symbols, and regular expressions for Unicode v16.0.0’s categories, scripts, blocks, bidi, and other properties.

Which regular expression flags does the current environment support?

A regular expression for valid domains.

Generate RegExp for delimiters, to be used with templates, files or data streams.

日文五十音轉換表

Validate & sanitize social links