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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.

GitHub: https://github.com/topics/regular-expression
Wikipedia: https://en.wikipedia.org/wiki/Regular_expression
Created by: Stephen Cole Kleene
Released: 1950
Related Topics: pattern-matching, wildcard, glob, grep, awk, sed,
Aliases: regex, regexp, regular-expressions,
Last updated: 2025-02-01 00:25:47 UTC
JSON Representation

https://github.com/twolodzko/rex

✂️ Use Regular Expressions to eXtract fields from a string

command-line command-line-tool regex regular-expression rust rust-lang

Last synced: 22 Dec 2024

https://github.com/mpolinowski/python-re

Python working with Regular Expressions

python regex-pattern regular-expression

Last synced: 28 Jan 2025

https://github.com/prakashjha1/whatsapp-chat-analyzer

WhatsApp Analyzer means we are analyzing our WhatsApp group activities. It tracks our conversation and analyses how much time we are spending or saying it as “wasting” on WhatsApp.

data-analysis data-science natural-language-processing pandas pyhton regular-expression

Last synced: 16 Jan 2025

https://github.com/gpalleschi/reponere

Reponere is a bash utility script to replace values in ascii files, the name is latin translation of english word "replace".

bash command-line-tool lc regular-expression replace script utility

Last synced: 09 Jan 2025

https://github.com/gpalleschi/csvutil

CSVutil.sh is a very simple but effective bash shell to manage csv files by command line and generate output on stdout or file.

bash bash-script csv csv-format csv-parsing csv-reader extract regular-expression shell-script tool utility

Last synced: 09 Jan 2025

https://github.com/gpalleschi/jasciistat

A java line command tool to calculate statistic on ascii files new line terminated.

ascii extract-string regular-expression statistic

Last synced: 09 Jan 2025

https://github.com/chriskonnertz/regex

Use methods to fluently create a regular expression in PHP

api expression fluent interface library oop php regex regex-string regular regular-expression

Last synced: 22 Jan 2025

https://github.com/aneeshmurali-n/python-tasks

Here we are going to learn data science and python by doing tasks by task

data-science data-visualization exploratory-data-analysis filter lambda lambda-functions map-reduce matplotlib numpy oops-in-python pandas python python-fundamentals regex regular-expression

Last synced: 09 Jan 2025

https://github.com/turbobasic/regexyouwillnotforget

Best practices for making complex regular expressions which you will understand half year later

best-practices powershell regex regular-expression

Last synced: 22 Jan 2025

https://github.com/smuecke/regextube

Firefox addon for filtering YouTube subscription feed using regular expressions

filter firefox-addon firefox-extension regex regular-expression youtube

Last synced: 17 Jan 2025

https://github.com/roneetkumar/renamer

Build a tool used to rename files with a common pattern.

go golang regular-expression rename-files tool

Last synced: 08 Jan 2025

https://github.com/terieyenike/userform

Type checking user form with Regex

bootstrap4 css html javascript regex regular-expression

Last synced: 21 Jan 2025

https://github.com/codedwells/regular-expressions

This repo contains some regex learning material.

javascript regex regexp regular-expression

Last synced: 13 Dec 2024

https://github.com/paulopbi/validar-cpf

Validador de CPF

cpf cpf-validador css expressoes-rugulares html javascript regex regular-expression

Last synced: 28 Jan 2025

https://github.com/juan-medina/regexp-dsl

expressive regular expressions with a domain specific language written in Kotlin

domain-specific-language dsl kotlin regex regex-pattern regexes regexp regexpr regular-expression regular-expressions

Last synced: 12 Jan 2025

https://github.com/university-experience/regex-awk

Distributed Operation Systems Lab2

awk docker linux regex regular-expression ubuntu

Last synced: 24 Jan 2025

https://github.com/gustavo-martins-pereira/javascript-validando_formularios

alura course cpf cpf-validador css css3 form form-validation html html5 javascript message-error-show pattern regular-expression validitystate

Last synced: 15 Jan 2025

https://github.com/zhangshyue/webscrapper-for-imdb-and-data-visualization

A scrapy webscrapper that can scrape information about the IMDb top box office films and use pandas and matplotlib to visualize the data

json matplotlib mongodb pandas python3 regular-expression scrapy webscrapper

Last synced: 17 Dec 2024

https://github.com/superb-man/automaton-solver

regex -> abstract syntax tree -> nfa -> dfa(minimized) conversion.

cyk-algorithm dfa dfa-minimization dotfiles json moore-minimization nfa parser regular-expression x-33

Last synced: 13 Jan 2025

https://github.com/vstroebel/de-regex

Regular expression based deserialization for serde

regular-expression rust serde

Last synced: 31 Jan 2025

https://github.com/raul23/parsing-wikipedia

Practicing regex with Python by parsing Wikipedia pages

beautifulsoup beautifulsoup4 parsing python regex regular-expression wikipedia

Last synced: 13 Jan 2025

https://github.com/barasedih11/regex-awk

Distributed Operation Systems Lab2

awk docker linux regex regular-expression ubuntu

Last synced: 24 Nov 2024

https://github.com/raul23/regex

List of useful regex

regex regular-expression

Last synced: 13 Jan 2025

https://github.com/cmalf/js-regex-tester

Regular Expression Tester: A powerful script tool for testing and debugging regular expressions in JavaScript.

for-development javascript regex regex-checker regex-engine regex-javascript regex-match regex-pattern regex-patterns regex-replace regex-tester regex-validator regexp regular-expression regular-expressions tester

Last synced: 21 Jan 2025

https://github.com/boywithkeyboard-archive/js-imports

The most complete regular expressions for matching, parsing and validating JavaScript/TypeScript imports.

exports imports javascript regex regular-expression regular-expressions typescript

Last synced: 31 Dec 2024

https://github.com/haukex/re-int-ineq

Regular Expression Integer Inequalities

javascript-library perl5 python3 regex regular-expression typescript-library

Last synced: 19 Jan 2025

https://github.com/ahmedelwerdany/deregex

Delete Lines from a file with regex

filesystem regex regexp regular-expression

Last synced: 08 Jan 2025

https://github.com/madhurimarawat/natural-language-processing-in-python

This repository contains Natural Language Processing programs in the Python programming language.

basic-programs bigram-model chunker description-of-code hmm-model lemmata lemmatization n-grams natural-language-processing parts-of-speech-tagging penn-treebank pos-penn-treebank python regular-expression stem-words stemming tokenization trigram-model unigram-model word-frequency-count

Last synced: 15 Jan 2025

https://github.com/hnx8/bregonigdotnet

make bregonig.dll "Onigmo" regular expression available from C#.

bregonig csharp onigmo regular-expression

Last synced: 21 Jan 2025

https://github.com/davidfstr/renameregex

Renames files in bulk using regular expressions.

regular-expression regular-expressions rename rename-files renamer renames

Last synced: 06 Jan 2025

https://github.com/urbanjost/m_regex

Fortran interface to the POSIX 1003.2 regular expression library

fortran fortran-package-manager fpm regular-expression

Last synced: 30 Dec 2024

https://github.com/mohammadyounes/match-guard

Simplify pattern matching by guarding parts of the input string

regex regex-util regular-expression

Last synced: 06 Jan 2025

https://github.com/edwinm/typed-re

Template literal types for regular expression capturing groups

capturing-groups regular-expression template-literal-types

Last synced: 22 Dec 2024

https://github.com/apsrcreatix/regex

Learning Regular Expressions 🙂 [ALPHA]

regex regular-expression regular-expressions

Last synced: 02 Jan 2025

https://github.com/leta91/winter-is-coming-house-of-the-dragon

How to find characters with lazy matching

beginner-friendly fcc freecodecamp freecodecamp-challenge game-of-thrones gameofthrones got house-of-the-dragon houseofthedragon javascript js regular-expression regular-expressions winteriscoming

Last synced: 29 Jan 2025

https://github.com/gelndjj/grep_pdf

Grep_PDF looks through multiple PDF at once to find any word. Regular expressions can be used when the word is not known.

grep-search pdf python regular-expression search

Last synced: 14 Jan 2025

https://github.com/faraazarsath/guvi-task1

This Python script provides a simple user registration system with username and password validation using regular expressions. It also includes a password recovery option.

filehandling if-else python regular-expression

Last synced: 09 Jan 2025

https://github.com/rabestro/jetbrains-academy-smart-calculator

Calculators are a very helpful tool that we all use on a regular basis. Why not create one yourself, and make it really special? In this project, you will write a calculator that not only adds, subtracts, and multiplies, but is also smart enough to remember your previous calculations.

arraydeque calculator calculator-application enum hashmap interface-java jetbrains-academy lambda-expressions lambda-functions list mathematics polish-notation postfix-notation regular-expression stack stream student-project

Last synced: 28 Dec 2024

https://github.com/hygull/try-regex

A repository to work on regular expressions of different programming languages(basically Python, JavaScript, Golang etc.), trying different samples as per the need based on different requirements.

golang javascript python python3 regular-expression

Last synced: 22 Jan 2025

https://github.com/fyt3rp4til/fasttext_indian_food_recepie_classification

fasttext-model regular-expression

Last synced: 14 Jan 2025

https://github.com/radiopizza/android-software-development

This repository serves as a collection of laboratory assignments completed during the "Android Software Development" elective course

android kotlin oop regular-expression text-formatting

Last synced: 30 Jan 2025

https://github.com/raghavendranhp/cardify_extracting_business_card_data_and_management

Cardify is a Streamlit application that simplifies the process of extracting and managing business card data. With Cardify, users can easily upload business card images, extract relevant information using OCR, and manage the extracted data efficiently.

easyocr ocr ocr-text-reader opencv python regular-expression sqlite3 streamlit

Last synced: 07 Jan 2025

https://github.com/zeeshan2k2/scientific-computing-python-freecodecamp

freecodecamp-algorithms itertools python regular-expression

Last synced: 22 Dec 2024

https://github.com/aburdulescu/cl

Color text lines using regular expressions

command-line-tool golang regular-expression

Last synced: 14 Jan 2025

https://github.com/qu1etboy/regex-to-nfa

Group Assignment for 01418334(66-2) Compiler Techniques

frontend nextjs nfa regex-to-nfa regular-expression typescript

Last synced: 29 Jan 2025

https://github.com/susji/mre

Toy regular expression library

regex regular-expression

Last synced: 14 Dec 2024

https://github.com/mohamedsalem401/regex-wizard

A web-based application crafted for the sole purpose of testing and experimenting with regular expressions (regex).

react regex regular-expression regular-expressions typescript webapp

Last synced: 23 Jan 2025

https://github.com/samliebl/regex-map-replace

Run a text string through an array of individual match-replace regular expressions.

map match regex regexp regular-expression replace replace-text string-formatter

Last synced: 21 Jan 2025

https://github.com/turbolent/regex

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

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

Last synced: 03 Feb 2025

https://github.com/bluelovers/regexp-support

check RegExp ( regular expressions ) support

nodejs regex regexp regular-expression

Last synced: 06 Jan 2025

https://github.com/object417/translate-list-to-md

bootstrap javascript regular-expression

Last synced: 14 Dec 2024

https://github.com/gamepowerx/regex-gallery

A collection of useful regexes

regex regexp regular-expression

Last synced: 30 Jan 2025

https://github.com/thgossler/replacepdfhyperlinks

A CLI tool for Windows and Linux to search and replace hyperlinks in PDF documents with regular expressions.

cli hyperlinks pdf regular-expression replace

Last synced: 30 Jan 2025

https://github.com/amssdias/python-advanced_topics

Advanced topics in Python Language

asynchronous builtin-functions collections datetime filter generators iterables iterators map mutability processes python3 regular-expression threadpool threads

Last synced: 13 Jan 2025

https://github.com/coditheck/regex-tutorial

A regular expression or regular expression or pattern is a string of characters that describes, according to a character string that describes, according to a precise syntax, a set of possible possible strings.

regex regex-pattern regex-tutorial regexp regular-expression

Last synced: 30 Jan 2025

https://github.com/ponlawat-w/thai-spelling-fix

การตรวจจับและแก้ไขการพิมพ์ที่ไม่เป็นไปตามหลัก (เช่น สระเอสองตัวแทนที่ควรจะเป็นสระแอ การันต์มาก่อนสระอุ เป็นต้น) โดยใช้นิพจน์ปรกติ (regular expression) | Detection and correction of Thai text common misspelling using regular expression

regular-expression spelling-correction thai thai-language

Last synced: 16 Dec 2024

https://github.com/samarthhchinivar/python-basics

Python Basics learnt/excercised during RedTron Internship.

methods os python3 regular-expression

Last synced: 06 Jan 2025

https://github.com/joiceo/manipulacao-de-textos-usando-o-r

Exercícios do curso "Introdução à Manipulação de Textos Usando o R", da UFJF, feito entre 24/05 e 02/06/2021

r regex regular-expression

Last synced: 09 Jan 2025

https://github.com/amponsemmichael/library-management-system-test

This repository is created for testing the library management system designed with Java.

git gitactions-workflow integration-testing jacoco-report javafx maven-plugin maven-pom mockito-junit-test regex-match regex-pattern regular-expression unittest

Last synced: 21 Jan 2025

https://github.com/rotemdan/regexp-composer

Easy-to-use regular expression builder, using a composable, function-oriented style. Supports all regular expression patterns accepted by the JavaScript RegExp engine.

regular-expression

Last synced: 16 Dec 2024

https://github.com/zeeshan2k2/daraz-web-scraper

A Python script to filter out the most rated products and display it alongside it's name, price and review count.

beautifulsoup4 pandas python regular-expression selenium selenium-webdriver

Last synced: 11 Dec 2024

https://github.com/crispengari/re-python

💎 Regular expression in python.

nlp nlp-python pyth python python3 re regexp regular-expression text-classification text-clustering text-processing

Last synced: 16 Dec 2024

https://github.com/gebv/strparam

parameterized pattern matching (faster alternative to golang regexp)

golang golang-library regular-expression string-matching

Last synced: 17 Dec 2024

https://github.com/lightningstalker/makolr

Colorizes compiler output from make to increase visibility of compiler warnings and other messages among large amounts of text

ansi-colors avr-gcc cc colors commandline gcc gplus linux linux-shell mac-osx macosx make pearl regex regular-expression shell-script terminal terminal-based unix-like unix-shell

Last synced: 12 Dec 2024

https://github.com/tahmid-tanzim/regular-expression

Learning Regular Expressions by Kevin Skoglund

pattern-matching regex regex-pattern regular-expression

Last synced: 20 Dec 2024

https://github.com/marceloboeira/grab

👋🏼 like grep, but simpler

bash grep regular-expression shell

Last synced: 14 Dec 2024

https://github.com/nicktheodoro/area-code

Validate and categorize phone numbers by area code. Given valid area codes and a list of numbers, output the count of valid numbers per area code, adhering to specified validation rules.

go golang regular-expression unit-testing validation

Last synced: 10 Jan 2025

https://github.com/muhammadawaisshaikh/remove-spaces-regexr

remove spaces using Regular Expression

regex regular-expression typescript

Last synced: 31 Jan 2025

https://github.com/scisamir/alx-system_engineering-devops

This repo contains my project on system engineering and devops on ALX

bash-scripting configuration-management database debugging devops docker firewall git haproxy linux load-balancer mysql networking nginx puppet regular-expression ssh web-infrastructure-design web-server

Last synced: 18 Dec 2024

https://github.com/stuarthicks/rextract

Simple shell regex capture extractor

cli go golang regex regular-expression regular-expressions

Last synced: 06 Jan 2025

https://github.com/andrewjbateman/angular-regex-project

:clipboard: This app highlights search text within a string. It renders HTML on the screen via a variable and manipulates that HTML based on a query, a regular expression and regex replace logic.

angular angular13 css highlight-text html html5 regex regex-match regular-expression tutorial-code typescript4

Last synced: 27 Dec 2024

https://github.com/naseem1amjad/javascirpt-url-manipulation

JavaScript Utility Function to read and write (replace) the url

code default dropdown function javascript refresh regular-expression reload replace select state-management string string-manipulation url web

Last synced: 01 Jan 2025

https://github.com/rfdzan/electron-regx

A simple desktop app to do regular expressions with

electronjs javascript regular-expression

Last synced: 28 Dec 2024

https://github.com/jaid/match-array

Returns an array of all found named groups matched with given RegExp and string.

array library match node node-js regex regexp regular-expression regular-expressions string strings util utility

Last synced: 25 Dec 2024

https://github.com/hazimavdal/jare

Just Another Regex Engine

brzozowski-derivative elm-lang formal-languages parsing regex regexp regular-expression

Last synced: 17 Jan 2025

https://github.com/regischen/regular-expression-parser-ts

regular-expression regular-expression-engine typescript

Last synced: 23 Jan 2025

https://github.com/sukanyadutta52/topic_modeling

What are the most pressing concerns regarding ‘Climate Change’ among tweeters according to Topic Modeling?

climate-change gensim matplotlib nltk numpy pandas pyldavis regular-expression spacy

Last synced: 26 Dec 2024

https://github.com/sukanyadutta52/emojis-_influence

The Influence of Fan Age, on Online Discourse; Examining the Facebook Comments, on Taylor Swifts Page

bag-of-words emoji langdetect pandas regular-expression

Last synced: 26 Dec 2024

https://github.com/plandes/recrepl

Recursively find and/or replace text with PERL regular expressions.

perl regular-expression text

Last synced: 02 Jan 2025

https://github.com/piotrpsz/ccregex

Regular expression tester. std/qt.pcre2

cpp20 pcre2 qt6 qt6-gui regular-expression

Last synced: 27 Dec 2024

https://github.com/shinnn/outdated-pod-regex

Create a regex that matches the Pod list generated with `pod outdated`

cocoapods javascript npm-package regular-expression xcode

Last synced: 02 Feb 2025

https://github.com/andrewjbateman/vue-regex-project

:clipboard: App to highlight text in a string using vue-js and regular expressions, from Nic Raboy of X-Team.com. Do not update dependencies or it will not work, due to changes within Web-pack and Babel

css html5 javascript regexp regular-expression vue vuejs

Last synced: 27 Dec 2024

https://github.com/mahmoudaliaboelhassan/tasks-list

This project is a task list web application designed to help users keep track of their daily tasks. The project uses HTML, CSS, and JavaScript to create a visually appealing and interactive interface

alert css-flexbox css3 font-awesome google-fonts html5 js json local-storage media-queries object-oriented-programming regular-expression

Last synced: 03 Jan 2025

https://github.com/brenofariasdasilva/regular-expressions

My Most Commonly used Regular Expressions.

regex regular-expression

Last synced: 23 Jan 2025

https://github.com/sovaslava/anydatarequester

chainlink regular-expression

Last synced: 23 Jan 2025

https://github.com/sujilnt/directoryreportgenerator

Genarating a Report of overview of the files under a given directory. It prints filename , user and the size .

directory-analyzer linux-app perl perl-scripti perl-task regular-expression shell-scripting

Last synced: 04 Jan 2025

https://github.com/rasujon3/email-validation

42_5-Task One

regular-expression

Last synced: 20 Dec 2024

https://github.com/abeed04/sentiment-analysis-using-recurrent-neural-networks

Bidirectional RNNs are used to analyze the sentiment (positive, negative, neutral) of movie reviews. .

bidirectional-lstm bidirectional-rnn dropout embeddings nlp-machine-learning nltk-python regular-expression spacy-nlp stopwords-removal tokenizer

Last synced: 04 Jan 2025

https://github.com/rustkas/introducing-regular-expressions-by-erlang

The examples implemented here are inspired by the book's source code - https://learning.oreilly.com/library/view/introducing-regular-expressions/9781449338879/

erlang regular-expression

Last synced: 26 Jan 2025