Forem

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.

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Writing a Regular Expression to Target Images Without a Class

Writing a Regular Expression to Target Images Without a Class

8
Comments
5 min read
Regex tools

Regex tools

41
Comments 4
1 min read
How to create your instant form validation
Cover image for How to create your instant form validation

How to create your instant form validation

12
Comments 2
6 min read
Regex…
Cover image for Regex…

Regex…

11
Comments 3
2 min read
Hello... RegExp!?
Cover image for Hello... RegExp!?

Hello... RegExp!?

9
Comments
8 min read
2 Interactive Resources for Brushing Up Your RegEx Knowledge

2 Interactive Resources for Brushing Up Your RegEx Knowledge

3
Comments
3 min read
The more-proper introduction to ReX.js
Cover image for The more-proper introduction to ReX.js

The more-proper introduction to ReX.js

11
Comments
2 min read
Getting the Gist of Java
Cover image for Getting the Gist of Java

Getting the Gist of Java

15
Comments
5 min read
How are regex used in the real world?

How are regex used in the real world?

6
Comments 8
1 min read
Adventures in Regular Expressions
Cover image for Adventures in Regular Expressions

Adventures in Regular Expressions

9
Comments
5 min read
The Power of Regular Expressions
Cover image for The Power of Regular Expressions

The Power of Regular Expressions

47
Comments 10
15 min read
Refrex! Capture and non-capture groups in ES2018
Cover image for Refrex! Capture and non-capture groups in ES2018

Refrex! Capture and non-capture groups in ES2018

69
Comments 4
5 min read
Javascript lookaheads and lookbehinds
Cover image for Javascript lookaheads and lookbehinds

Javascript lookaheads and lookbehinds

38
Comments 3
2 min read
VerbalExpressions - RegularExpression made easy
Cover image for VerbalExpressions - RegularExpression made easy

VerbalExpressions - RegularExpression made easy

338
Comments 36
1 min read
Exercise: Making a Simple Regex Engine

Exercise: Making a Simple Regex Engine

48
Comments 3
4 min read
Regex Blah

Regex Blah

32
Comments 3
4 min read
Find, convert and replace dates with Vim substitutions
Cover image for Find, convert and replace dates with Vim substitutions

Find, convert and replace dates with Vim substitutions

17
Comments 3
6 min read
My RegExp nightmare

My RegExp nightmare

28
Comments 27
1 min read
Snake case to camel case and back using regular expressions and Python

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

38
Comments 3
2 min read
My Regex Cheatsheet - 25 Example Regex Rules
Cover image for My Regex Cheatsheet - 25 Example Regex Rules

My Regex Cheatsheet - 25 Example Regex Rules

142
Comments 7
2 min read
Regular expressions: how do they work?

Regular expressions: how do they work?

242
Comments 7
9 min read
JavaScripts Regular Expressions Get More Power
Cover image for JavaScripts Regular Expressions Get More Power

JavaScripts Regular Expressions Get More Power

27
Comments 4
2 min read
TIL: Match unicode letters in regex

TIL: Match unicode letters in regex

15
Comments
2 min read
Exploring the Linguistics Behind Regular Expressions
Cover image for Exploring the Linguistics Behind Regular Expressions

Exploring the Linguistics Behind Regular Expressions

152
Comments 24
10 min read
getting regex in a quick way

getting regex in a quick way

6
Comments
1 min read
loading...