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Regular expression

A regular expression (shortened as regex or regexp), sometimes referred to as rational expression, is a sequence of characters that specifies a match pattern in text. Usually such patterns are used by string-searching algorithms for “find” or “find and replace” operations on strings, or for input validation.

Regular expression techniques are developed in theoretical computer science and formal language theory. They are used in search engines, in search and replace dialogs of word processors and text editors, in text processing utilities such as sed and AWK, and in lexical analysis. Regular expressions are also supported in many programming languages.

Different syntaxes for writing regular expressions have existed since the 1980s, one being the POSIX standard and another, widely used, being the Perl syntax.

https://github.com/EszopiCoder/excel-regexp-fx

Regular Expression Functions Excel Add-In

excel excel-vba regular-expression vba vba-excel

Last synced: 04 Dec 2024

https://github.com/hacdias/zipcodes-regex

A list of regular expressions for zipcodes

nodejs npm package regular-expression zipcode zipcodes-regex

Last synced: 25 Jan 2025

https://github.com/eneko/regex

Easy regular expression data extraction in Swift

capture-groups groups iterator regex regular-expression replacement swift

Last synced: 19 Jan 2025

https://github.com/jonschlinkert/requires-regex

Regular expressions for matching node.js require statements.

javascript nodejs regex regexp regular-expression require requires

Last synced: 09 Nov 2024

https://github.com/wader/libfa

C automata library to build, determinize, minimize, translate regexp etc

automata c pcre regular-expression

Last synced: 23 Jan 2025

https://github.com/jaeyk/tidyethnicnews

R package for turning Ethnic NewsWatch search results into tidyverse-ready dataframes

html natural-language-processing parsing regular-expression tidy

Last synced: 14 Nov 2024

https://github.com/regexhq/copyright-regex

Regular expression for matching and parsing copyright statements.

copyright parsing regex regular-expression

Last synced: 20 Nov 2024

https://github.com/bwrrp/xspattern.js

XML Schema pattern (regular expression) engine

regex regular-expression xml-schema xml-validation xsd-pattern

Last synced: 26 Nov 2024

https://github.com/regexhq/dotfile-regex

Regular expresson for matching dotfiles.

dotfile file filepath match path regex regular-expression test

Last synced: 20 Nov 2024

https://github.com/regexhq/whitespace-regex

Regular expression for matching the whitespace in a string.

regex regular-expression whitespace

Last synced: 20 Nov 2024

https://github.com/regexhq/punctuation-regex

Regular expression for matching punctuation characters.

punctuation punctuation-character regex regular-expression

Last synced: 20 Nov 2024

https://github.com/jaywcjlove/regex-mate

RegexMate is a beautifully designed regex app built exclusively for macOS. With a clean and intuitive interface, it empowers you to craft and test regular expressions with ease.

learn-regex learn-regex-zh macos macos-app regex regular-expression

Last synced: 23 Oct 2024

https://github.com/ifr0z/searchplacebox

Search place with regular expression for matching coordinates

android kotlin matching-coordinates regular-expression searchplace

Last synced: 15 Dec 2024

https://github.com/jship/s3k

Do more with stack by typing less!

alias build-tool haskell regex regular-expression stack

Last synced: 14 Oct 2024

https://github.com/jribbens/verbose-regexp

Verbose Regular Expressions

javascript regex regexp regular-expression

Last synced: 03 Dec 2024

https://github.com/maswag/monaa

A Tool for Timed Patten Matching with Automata-Based Acceleration

automata data-streaming formal-specification monitoring monitoring-tool regular-expression runtime-verification

Last synced: 08 Nov 2024

https://github.com/luqmanoop/vue-regexr

A simple, beautiful tool for learning, testing and playing with regular expressions in real-time 🎉. Inspired by https://apptorium.com/expressions

javascript regex regular-expression vue

Last synced: 08 Nov 2024

https://github.com/meniny/colaexpression

💻A regular expression framework written in Swift.

regex regular-expression swift

Last synced: 12 Oct 2024

https://github.com/imelgrat/feed-finder

A PHP class for extracting the URLs of RSS (1.0 and 2.0) and ATOM feeds associated to a page, as well as OPML outline documents.

atom atom-feed composer-package html-parser html-scraper opml opml-outline php regex regular-expression rss rss-feed rss-feed-scraper

Last synced: 19 Nov 2024

https://github.com/mobilusoss/react-anchorify-text

Create anchor tag with urls in text.

react regular-expression

Last synced: 23 Dec 2024

https://github.com/alenvelocity/regexus

Human-readable regular expressions for TS/JS

human-readable regex regexp regular-expression

Last synced: 15 Oct 2024

https://github.com/aaronerhardt/regex-blocklist

A Firefox add-on for blocking urls based on Regular Expressions

blocklist case-insensitivity firefox-addon regex-blocklist regular-expression

Last synced: 13 Oct 2024

https://github.com/ocsoares/class-validator-cpf

Um decorator customizado para validar CPF usando como base o pacote class-validator

class-validator class-validator-cpf cpf iscpf nestjs nodejs regex regular-expression typescript validation validator

Last synced: 27 Oct 2024

https://github.com/grandmoff100/regexfactory

Dynamically construct regex patterns with native python representations

library python regex regex-generator regex-pattern regular-expression sphinx-documentation

Last synced: 28 Oct 2024

https://github.com/dagronf/dsfregex

A Swift regex class abstracting away the complexities of NSRegularExpression and Swift Strings

foundation nsregularexpression regex regular-expression swift

Last synced: 30 Oct 2024

https://github.com/ikatyang/unicode-regex

regular expression for matching unicode category

regular-expression unicode

Last synced: 09 Nov 2024

https://github.com/jack-q/reg2dfa

Regular expression to DFA, with DOT format output for visualization

dfa nfa regular-expression visualization

Last synced: 19 Nov 2024

https://github.com/regexhq/dotdir-regex

Regex for matching dot-directories, like ".git/" or ".github/"

directory dotfile dotfiles file filepath is match path regex regular-expression test

Last synced: 09 Nov 2024

https://github.com/famished-tiger/srl-ruby

Simple Regex Language library and compiler in Ruby

regex-language regular-expression ruby srl

Last synced: 20 Oct 2024

https://github.com/rabestro/jetbrains-academy-readability-score

Everyone has their own personal reading history, and as we grow up, we are able to comprehend more and more complicated texts. But how do you estimate the level of difficulty of a given text, and how do you teach a computer to do that? In this project, you will find it out: write a program that determines how difficult the text is and for which age it is most suitable.

enum hyperskill interface jetbrains-academy lambda-expressions lambda-functions lazy-evaluation math readability regular-expression streams student-project text-analysis

Last synced: 07 Nov 2024

https://github.com/burnett01/kotlin-expression-builder

A regular expression (REGEX) class and builder (DSL), written in Kotlin.

builder dsl expression expressions java jvm kotlin package regex regular-expression

Last synced: 31 Jan 2025

https://github.com/alhadis/language-regexp

For those who're serious about writing regular expressions.

atom regex regexp regular-expression

Last synced: 25 Jan 2025

https://github.com/marihachi/carol-js

A small tool for building regular expressions.

builder regex regular-expression utility

Last synced: 24 Oct 2024

https://github.com/ericcornelissen/js-regex-security-scanner

A static analyzer to scan JavaScript code for problematic regular expressions.

javascript redos regex regular-expression sast scanner security static-analysis

Last synced: 16 Nov 2024

https://github.com/a7mdfre7at/masterly.fluentregex

A creative way to Create regular expression patterns using readable API.

fluent-api regex regular-expression string-manipulation string-matching

Last synced: 28 Nov 2024

https://github.com/k4m4/sha-regex

Regular expression for matching SHA hashes in strings.

hash matcher regex regex-match regular-expression sha

Last synced: 12 Nov 2024

https://github.com/vaeth/replacer

Search and replace python regular expressions within many files interactively

regular-expression replace-in-files replace-text

Last synced: 04 Dec 2024

https://github.com/radeklat/words-to-regular-expression

A command line tool and Python library for converting lists of strings into matching regular expressions (finite automata).

command-line-tool matching-algorithm python python-library regular-expression

Last synced: 20 Oct 2024

https://github.com/rockfordwei/perfect-pcre2

An express Swift class wrapper for PCRE2

pcre2 perfect regular-expression swift

Last synced: 13 Nov 2024

https://github.com/thomasleplus/dbgrep

Oracle PL/SQL stored procedure to search a regular expression across all text columns of a database.

database grep grepping oracle oracle-database oracle-db plsql regex regular-expression search

Last synced: 30 Dec 2024

https://github.com/archo5/sgregex

Regular expression library

c c89 c99 lightweight limited regex regular-expression simple

Last synced: 19 Nov 2024

https://github.com/turbolent/javaregex

An implementation of Rob Pike's Virtual Machine-based regular expression engine

java regex regexp regular-expression regular-expression-engine regular-expressions virtual-machine vm

Last synced: 19 Oct 2024

https://github.com/keens/onigmo-rs

Rust binding and Rusty API of Onigmo, regexp engine

regex regexp regular-expression rust rust-bindings

Last synced: 28 Oct 2024

https://github.com/eric11eca/automatonstudio

Toolbox for automaton theory, language theory, lambda calculus, propositional logic, and formal semantics. Including simulations, applications, parsers, and algorithm implementations.

automaton context-free-grammar finite-automaton-simulator finite-state-machine lambda-calculus propositional-logic regular-expression turing-machine-simulator

Last synced: 21 Nov 2024

https://github.com/pwwang/regexr

Regular expressions for humans

regex regular-expression regular-expressions

Last synced: 14 Jan 2025

https://github.com/maykon-oliveira/regex-tutorial

:bulb: Learn how to use and get the most out of regular expressions.

javascript regex regexp regexp-search regular-expression tutorial

Last synced: 21 Dec 2024

https://github.com/kei-k23/rex

Regular Expression (Regex) engine that written in C++

clang cpp regex regular-expression

Last synced: 31 Jan 2025

https://github.com/oswaldobapvicjr/jep-data-extension

An extension of the Java Expression Parser library with useful functions for data handling

data-manipulation java jep jsonpath regular-expression xpath

Last synced: 14 Dec 2024

https://github.com/piotrjustyna/fontbot

Choose word, choose font, tweet. Twitter bot written in Haskell.

font haskell regular-expression timeline tweets twitter

Last synced: 11 Jan 2025

https://github.com/octagon-simon/octavalidate-php

This PHP Library helps to validate your forms using regular expressions & validation rules.

form-validation regular-expression validation validation-library

Last synced: 17 Nov 2024

https://github.com/Mottie/is-regexp-string

Check if a string is a regular expression

check node regexp regular-expression string

Last synced: 02 Dec 2024

https://github.com/luketowers/oc-twigpcre-plugin

Twig PCRE Filters / Functions for OctoberCMS

octobercms octobercms-plugin php plugin regex regular-expression twig

Last synced: 12 Oct 2024

https://github.com/meniny/re

🔫 Pythonic RegEx library.

python pythonic re regex regexp regular-expression swift

Last synced: 20 Jan 2025

https://github.com/ahkhanjani/regez

RegEz is a RegEx generator for coding regular expressions in JavaScript.

javascript regex regex-generator regexp regular-expression regular-expressions typescript

Last synced: 23 Nov 2024

https://github.com/philpennock/emailsupport

Golang routines and variables useful when dealing with email

email-validation go regular-expression

Last synced: 24 Jan 2025

https://github.com/mottie/is-regexp-string

Check if a string is a regular expression

check node regexp regular-expression string

Last synced: 21 Dec 2024

https://github.com/urigoren/nre

Nice Regular Expressions

regular-expression

Last synced: 23 Nov 2024

https://github.com/huanhuanonly/clipboardfilter

Monitor the clipboard, filter specified characters when the clipboard is written, and support regular expressions to replace matching text.

clipboard cpp filter qt regular-expression replacer text trie variables variables-parser

Last synced: 30 Oct 2024

https://github.com/LukeTowers/oc-twigpcre-plugin

Twig PCRE Filters / Functions for OctoberCMS

octobercms octobercms-plugin php plugin regex regular-expression twig

Last synced: 07 Nov 2024

https://github.com/gusenov/xls-formula-eval-java

Java-библиотека для вычисления Excel-формул.

excel expression-evaluator formula-parser java java-library regular-expression xls

Last synced: 31 Dec 2024

https://github.com/bryanwilhite/blog

My source files for my technical Blog entries—an 11ty-based fire hose 🚒 for a static web site

11ty c-sharp csharp json markdown regex regular-expression static-site-generator

Last synced: 31 Dec 2024

https://github.com/cnlon/regexp.online

To learn & test Regular Expression online

javascript regex regexp regular-expression

Last synced: 31 Dec 2024

https://github.com/luciopaiva/cols-and-rows

When grep is not enough... transform text input, line by line, using regular expressions.

console-tool grep regular-expression text-processing

Last synced: 26 Jan 2025

https://github.com/li-boxuan/regex-checker

GitHub App that checks Pull Request titles using user-defined regular expression

continuous-integration github github-app probot-app regular-expression

Last synced: 18 Dec 2024

https://github.com/vaeth/pyrep

Search and/or replace regular expressions within many files interactively

regular-expression replace-in-files replace-text

Last synced: 31 Jan 2025

https://github.com/smimram/regrade

Simple grading system using regular expressions.

assignment grade homework ocaml regular-expression

Last synced: 22 Dec 2024

https://github.com/regexhq/floating-point-regex

Regular expression for matching floating-point literals.

floating-point number regex regexp regular-expression

Last synced: 20 Nov 2024

https://github.com/zadean/xs_regex

XML Schema Regex for Erlang

erlang regex regular-expression xml xml-schema xpath xquery

Last synced: 11 Oct 2024

https://github.com/serpent7776/rer

regular expression based file renamer

commandline regex regular-expression rename rename-files utility

Last synced: 18 Jan 2025

https://github.com/gpalleschi/pyexpresso

A Visual Tool to check regular expression written in Python using Kivy GUI framework, it permits test expressions, save expression on file and load expression from a file.

kivy kivy-framework python regular-expression regular-expressions

Last synced: 27 Jan 2025

https://github.com/kernix13/pre-code-formatter

JavaScript output of selected code with span color classes for a pre code block.

blog codeblocks pre-tag regex regular-expression regular-expressions

Last synced: 05 Jan 2025

https://github.com/mohaphez/linux-tutorial-tricks

Here I‍ note all I know about linux commands , tricks, and what I have from experiences.

bash linux linux-commands linux-tutorial regular-expression tutorial vim

Last synced: 27 Jan 2025

https://github.com/thaliaarchi/re1-rust

A port of re1, Russ Cox’s simple, virtual machine–based regular expression engine

regular-expression

Last synced: 25 Jan 2025

Regular expression Awesome Lists
Computer-Science-Resources 51 awesome-regex 145
Regular expression Categories
Content 55 Regex engines 38 JavaScript regex evolution 22 Testers 15 JavaScript regex libraries 15 Performance 13 Tutorials 11 Grep-like tools 6 Visualizers 6 Syntax-free regex builders 4 Miscelaneous 4 Articles 3 Books 3 Communities 2 Collections of patterns 2