Regular Expressions 101

Order By

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

Community Patterns

-1

balanced parenthesis match

ECMAScript (JavaScript)
break the code to first opening parenthesis and then closing use the groups individually not entirely . This is 40% correct online pattern but mixing it with first open then close groups in two different matches result in 100% success
Submitted by Muhammed - 7 years ago
0

finding relative urls in a css file

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Match UUID

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

recipes

Golang
no description available
Submitted by anonymous - 7 years ago
0

input acceptance

ECMAScript (JavaScript)
only valid chars
Submitted by anonymous - 7 years ago
0

TS model properties

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

TS constructor body

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Full name with non-latin characters

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

unlock

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 7 years ago
0

Github Profile URL

ECMAScript (JavaScript)
It checks whether the Github Profile URL is valid.
Submitted by anonymous - 7 years ago
0

Хуй

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

HTTP/1 Header Parsing

PCRE (PHP <7.3)
no description available
Submitted by Niklas Keller - 7 years ago
0

Разбор комманд для машины Тьюринга

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

BG Auctions

Python
no description available
Submitted by anonymous - 7 years ago
0

mnemonic identifier

PCRE (PHP <7.3)
no description available
Submitted by moseschrist - 7 years ago
0

Catwalk - extract year

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

2

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

1

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

Gleason score

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
0

COM-1950 - Landline

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 7 years ago
1...545546547548549...902

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