Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

1

Finding URLs within full text

ECMAScript (JavaScript)
Finds URLs in a larger body of text. URLs may or may not be enclosed in punctuation, such as parentheses, that are not part of the URL.
Submitted by D0nB1z - 10 years ago
1

Test for Ross

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Simple script command and parameter grabber

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
1

Get the command

ECMAScript (JavaScript)
Simply gets the command from a script command, automatically removes unwanted spaces.
Submitted by anonymous - 10 years ago
1

codegolf.SE cops&robbers histocrat#2

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

External OR operator

PCRE (PHP <7.3)
Why doesn't recognize the second pattern after pipe | ?
Submitted by Fede e Walter - 10 years ago
1

RegExExample

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Reg124

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

LogExpert Regex Columnizer

PCRE (PHP <7.3)
parsing log file
Submitted by Oddbjørn Haaland, Sander Struijk - 10 years ago
1

Failure case for repeated strings

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 10 years ago
1

Post

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Nada

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Un-titled

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Pasando carga de estilos css a twig

PCRE (PHP <7.3)
Esa expresion regular busca los href y les reemplazar el atributo por un asset()
Submitted by Manuel Aguirre - 10 years ago
1

MySql Definer

PCRE (PHP <7.3)
For find definer in mysql routines
Submitted by Jorge Espinoza - 10 years ago
1

Number betwen:1 1.5 2 2.5

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Exploding regex

Python
no description available
Submitted by anonymous - 10 years ago
1

Phone

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 10 years ago
1

Dotted Quad

PCRE (PHP <7.3)
IP PCRE
Submitted by Awkwardly Scripted - 10 years ago
1

smiley

PCRE (PHP <7.3)
no description available
Submitted by @barraponto - 10 years ago
1...7273747576...900

Community Library Entry

0

Regular Expression
PCRE2 (PHP >=7.3)

/
\b([0-9]){1,3}.([0-9]){1,3}.([0-9]){1,3}.([0-9]){1,3}$\b
/
gm
Open regex in editor

Description

To check IPv4

Submitted by anonymous - 2 years ago