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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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Validate a simple form using RegEx

Validate a simple form using RegEx

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3 min read
Howto: Drop-down list with Gitlab projects in Jenkins

Howto: Drop-down list with Gitlab projects in Jenkins

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Comments
1 min read
How CloudFlare could have avoided its outage (maybe)

How CloudFlare could have avoided its outage (maybe)

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Comments 6
3 min read
Use Javascript Regex to Find All IDs That Contain a String and Copy the Text to the Clipboard

Use Javascript Regex to Find All IDs That Contain a String and Copy the Text to the Clipboard

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2 min read
There's only one way to validate an email address

There's only one way to validate an email address

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3 min read
How to write "four letter word" in regex?

How to write "four letter word" in regex?

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1 min read
Mute tweets in Tweetbot by regular expressions

Mute tweets in Tweetbot by regular expressions

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2 min read
Howto: Drop-down list Jira's components in Jenkins

Howto: Drop-down list Jira's components in Jenkins

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1 min read
What are you using RegEx for?

What are you using RegEx for?

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1 min read
Regular Expressions for Regular People

Regular Expressions for Regular People

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7 min read
Fun with JavaScript Regex

Fun with JavaScript Regex

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6 min read
The string-matching regex explained step by step

The string-matching regex explained step by step

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Java Regex Cheat Sheet

Java Regex Cheat Sheet

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3 min read
Replacing text using regex groups in VSCode

Replacing text using regex groups in VSCode

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1 min read
Ruby Regexp Part 9 - Modifiers

Ruby Regexp Part 9 - Modifiers

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4 min read
Ruby Regexp Part 8 - Lookarounds

Ruby Regexp Part 8 - Lookarounds

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Comments 2
9 min read
Ruby Regexp Part 7 - Groupings and backreferences

Ruby Regexp Part 7 - Groupings and backreferences

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10 min read
Ruby Regexp Part 6 - Character class

Ruby Regexp Part 6 - Character class

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6 min read
Ruby Regexp Part 5 - Matched portions

Ruby Regexp Part 5 - Matched portions

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7 min read
Ruby Regexp Part 2 - Anchors

Ruby Regexp Part 2 - Anchors

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6 min read
Ruby Regexp Part 4 - Quantifiers

Ruby Regexp Part 4 - Quantifiers

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8 min read
Ruby Regexp Part 3 - Alternatives and Escaping

Ruby Regexp Part 3 - Alternatives and Escaping

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7 min read
Ruby Regexp Part 1 - Introduction

Ruby Regexp Part 1 - Introduction

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6 min read
Decoding Regex Hieroglyphs

Decoding Regex Hieroglyphs

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5 min read
Parse user input for urls, timestamps & hashtags with RegEX 🧠

Parse user input for urls, timestamps & hashtags with RegEX 🧠

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6 min read
Regex Bootcamp (or Nobody Seems to be Using HTML5 Validation)

Regex Bootcamp (or Nobody Seems to be Using HTML5 Validation)

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4 min read
Regex solution

Regex solution

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1 min read
Writing a Regular Expression to Target Images Without a Class

Writing a Regular Expression to Target Images Without a Class

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5 min read
Regex tools

Regex tools

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1 min read
How to create your instant form validation

How to create your instant form validation

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6 min read
Regex…

Regex…

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2 min read
Hello... RegExp!?

Hello... RegExp!?

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8 min read
The more-proper introduction to ReX.js

The more-proper introduction to ReX.js

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2 min read
Getting the Gist of Java

Getting the Gist of Java

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5 min read
How are regex used in the real world?

How are regex used in the real world?

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Adventures in Regular Expressions

Adventures in Regular Expressions

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The Power of Regular Expressions

The Power of Regular Expressions

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15 min read
Refrex! Capture and non-capture groups in ES2018

Refrex! Capture and non-capture groups in ES2018

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Comments 4
5 min read
Javascript lookaheads and lookbehinds

Javascript lookaheads and lookbehinds

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Comments 3
2 min read
VerbalExpressions - RegularExpression made easy

VerbalExpressions - RegularExpression made easy

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1 min read
Exercise: Making a Simple Regex Engine

Exercise: Making a Simple Regex Engine

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4 min read
Regex Blah

Regex Blah

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4 min read
Find, convert and replace dates with Vim substitutions

Find, convert and replace dates with Vim substitutions

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6 min read
My RegExp nightmare

My RegExp nightmare

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Snake case to camel case and back using regular expressions and Python

Snake case to camel case and back using regular expressions and Python

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2 min read
My Regex Cheatsheet - 25 Example Regex Rules

My Regex Cheatsheet - 25 Example Regex Rules

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Regular expressions: how do they work?

Regular expressions: how do they work?

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9 min read
JavaScripts Regular Expressions Get More Power

JavaScripts Regular Expressions Get More Power

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2 min read
TIL: Match unicode letters in regex

TIL: Match unicode letters in regex

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2 min read
Exploring the Linguistics Behind Regular Expressions

Exploring the Linguistics Behind Regular Expressions

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10 min read
getting regex in a quick way

getting regex in a quick way

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1 min read
What are your code smells and/or best practices with regular expressions?

What are your code smells and/or best practices with regular expressions?

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1 min read
Learn Regular Expressions using Atom

Learn Regular Expressions using Atom

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2 min read
Remove all console.log()s using Regex in Atom

Remove all console.log()s using Regex in Atom

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1 min read
The beauty of VerbalExpressions

The beauty of VerbalExpressions

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1 min read
Java REGEX based scanner

Java REGEX based scanner

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2 min read
How To Build A RegEx

How To Build A RegEx

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5 min read
My favourite computer science text (OR "how regex works")

My favourite computer science text (OR "how regex works")

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2 min read
Getting started with Regex

Getting started with Regex

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2 min read
Tutorial: Building a Slack Bot that Writes Custom Queries against your Database

Tutorial: Building a Slack Bot that Writes Custom Queries against your Database

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3 min read
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