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Regular Expressions

A regular expression (shortened as regex or regexp also referred to as regular expression) is a sequence of characters that specifies a search pattern.

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what is regex expression

what is regex expression

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3 min read
Regex Simplified: The Art of Pattern Matching with Regular Expressions

Regex Simplified: The Art of Pattern Matching with Regular Expressions

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3 min read
Capturando dados com Regex

Capturando dados com Regex

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3 min read
How to perform regex search queries over billions of strings

How to perform regex search queries over billions of strings

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4 min read
Validando dados com Regex

Validando dados com Regex

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7 min read
Regular Expressions—a Rite of Passage: From Theory to Practice

Regular Expressions—a Rite of Passage: From Theory to Practice

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16 min read
Regular Expressions in SQLite

Regular Expressions in SQLite

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2 min read
Complete Guide To Make You a Regex Guru

Complete Guide To Make You a Regex Guru

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20 min read
Persson's Pyramid Puzzle - Level 5

Persson's Pyramid Puzzle - Level 5

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1 min read
RegExp Basics: It's Not That Hard!

RegExp Basics: It's Not That Hard!

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3 min read
Regular Expressions—A Rite of Passage for Web Developers

Regular Expressions—A Rite of Passage for Web Developers

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17 min read
Refactoring. RegExp.

Refactoring. RegExp.

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2 min read
Regex #1: Understanding Regex, Regex-Based String Methods and Regex Flags

Regex #1: Understanding Regex, Regex-Based String Methods and Regex Flags

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4 min read
How to Validate Password Strength Using Regex and JavaScript

How to Validate Password Strength Using Regex and JavaScript

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4 min read
Extract dynamic text using regex capturing group

Extract dynamic text using regex capturing group

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1 min read
Validating email addresses using regular expressions in JavaScript

Validating email addresses using regular expressions in JavaScript

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How to Build a RegEx Engine in Python (Part 6: the engine)

How to Build a RegEx Engine in Python (Part 6: the engine)

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4 min read
What Are Regular Expressions? A Simple JavaScript Regex to Format Phone Numbers

What Are Regular Expressions? A Simple JavaScript Regex to Format Phone Numbers

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4 min read
manipulate strings with sed

manipulate strings with sed

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1 min read
A NEW REGEX ENGINE IS HERE!

A NEW REGEX ENGINE IS HERE!

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2 min read
よく使う正規表現の整理 -- 文頭文末やある文字の前後など

よく使う正規表現の整理 -- 文頭文末やある文字の前後など

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2 min read
Doesn't He Have Intern-Elves For This?

Doesn't He Have Intern-Elves For This?

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3 min read
JSAbacusFramework.io

JSAbacusFramework.io

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1 min read
Regular Expressions: A Basic Explanation

Regular Expressions: A Basic Explanation

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5 min read
🐍 regex: a Python example using lookbehind and lookahead

🐍 regex: a Python example using lookbehind and lookahead

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3 min read
Regular expression capture and replace examples

Regular expression capture and replace examples

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3 min read
How to bold matching characters in text JavaScript.

How to bold matching characters in text JavaScript.

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1 min read
Regular expressions are fun!

Regular expressions are fun!

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5 min read
Matchsticks

Matchsticks

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2 min read
On the Virtues of RegExp in JS

On the Virtues of RegExp in JS

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3 min read
PHP | Regular Expressions

PHP | Regular Expressions

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9 min read
Expressões Regulares IV - as três regras da regex I - backtracking

Expressões Regulares IV - as três regras da regex I - backtracking

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7 min read
Open Source Adventures: Episode 81: Exploring Raku Regular Expression API

Open Source Adventures: Episode 81: Exploring Raku Regular Expression API

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3 min read
Open Source Adventures: Episode 80: Exploring Python Regular Expression API

Open Source Adventures: Episode 80: Exploring Python Regular Expression API

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6 min read
Expressões Regulares III - âncoras, limites de palavras e caracteres de palavras

Expressões Regulares III - âncoras, limites de palavras e caracteres de palavras

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2 min read
Open Source Adventures: Episode 79: Exploring Crystal Regular Expression API

Open Source Adventures: Episode 79: Exploring Crystal Regular Expression API

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4 min read
Medicine for Rudolph

Medicine for Rudolph

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4 min read
1. Regex - podstawy

1. Regex - podstawy

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5 min read
Learning Regular Expressions

Learning Regular Expressions

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4 min read
Expressões Regulares II - classes de caracteres

Expressões Regulares II - classes de caracteres

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2 min read
The Regular Expression (RegEx) Cheat Sheet you always wanted

The Regular Expression (RegEx) Cheat Sheet you always wanted

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4 min read
Expressões Regulares I - o básico

Expressões Regulares I - o básico

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3 min read
Internet Protocol Version 7

Internet Protocol Version 7

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7 min read
Mongodb text index vs regex for text searching

Mongodb text index vs regex for text searching

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3 min read
Open Source Adventures: Episode 77: Improving Regular Expressions API

Open Source Adventures: Episode 77: Improving Regular Expressions API

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4 min read
Google Sheets Tutorial – How to Use Regex and VLOOKUP to Display Images from Google Drive

Google Sheets Tutorial – How to Use Regex and VLOOKUP to Display Images from Google Drive

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6 min read
Passgen: A password generator that uses a regex-like syntax to create secure passwords of any shape.

Passgen: A password generator that uses a regex-like syntax to create secure passwords of any shape.

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7 min read
Regex basics

Regex basics

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Intro to Regular Expressions

Intro to Regular Expressions

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A Comprehensive Guide to Regular Expressions

A Comprehensive Guide to Regular Expressions

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9 min read
How to Match a Phone Number with Regex and JavaScript

How to Match a Phone Number with Regex and JavaScript

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5 min read
Expresiones Regulares

Expresiones Regulares

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2 min read
casual-markdown: lightweight regexp-base markdown parser (+TOC, scrollspy and frontmatter)

casual-markdown: lightweight regexp-base markdown parser (+TOC, scrollspy and frontmatter)

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Introducción a Regex

Introducción a Regex

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3 min read
Removing HTML Tags with RegEx or using DOMParser() using JavaScript.

Removing HTML Tags with RegEx or using DOMParser() using JavaScript.

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What are some Regular Expression concepts you find hard to grok?

What are some Regular Expression concepts you find hard to grok?

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1 min read
Web Scraping con scrapy y regex

Web Scraping con scrapy y regex

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3 min read
Re2j instead of default regEx in Java: when and how to use it

Re2j instead of default regEx in Java: when and how to use it

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6 min read
Verify password with a single regex

Verify password with a single regex

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3 min read
Remove extra space from text with regex - Python

Remove extra space from text with regex - Python

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1 min read
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