Please enable JavaScript to use this web application.
Regular
Expressions
101
Social
Donate
Info
Regex Editor
Community Patterns
Account
Regex Quiz
Settings
Order By
Most Recent
Most upvotes
Most downvotes
Highest Score
Lowest Score
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 9,420 community submitted regex patterns...
35
http://
PCRE (PHP <7.3)
no description available
Submitted by
Mitus M.
-
11 years ago
-3
Date and Time
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
11 years ago
1
Grab double or single quoted text, escape aware
PCRE (PHP <7.3)
^$ are only added for the test cases, handles escapes and the closing \\" situation
Submitted by
robin
-
11 years ago
1
Inside single quotes, escape aware
PCRE (PHP <7.3)
Allows the single quote to be escaped, handles the \\' situation
Submitted by
Robin
-
11 years ago
1
ArcSight Administrator
PCRE (PHP <7.3)
It's to activate when storage space reaches 75% capacity
Submitted by
Michal Starr
-
11 years ago
0
Match all parts of the valid JSON
PCRE (PHP <7.3)
Originally written by Pumbaa80, but slightly adjusted: http://stackoverflow.com/questions/4810841/how-can-i-pretty-print-json-using-javascript
Submitted by
Pumbaa80
-
11 years ago
2
Episode numbering below 100
PCRE (PHP <7.3)
Simplest form to match all the episode numbering versions I could remember that don't use incremental numberign without seasons.
Submitted by
SEKCobra
-
11 years ago
0
php comment
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
11 years ago
1
Parse drupal version info from filename
PCRE (PHP <7.3)
no description available
Submitted by
Jason Smith
-
11 years ago
11
Date(Including Leap Year) YYYY-MM-DD hh:mm:ss
PCRE (PHP <7.3)
Validates DateTime of format YYYY-MM-DD hh:mm:ss including Leap Year
Submitted by
Madhan
-
11 years ago
-2
Match v4 IP address
PCRE (PHP <7.3)
no description available
Submitted by
Budiony Damyanov
-
11 years ago
4
Hungarian ANDOK system id
PCRE (PHP <7.3)
no description available
Submitted by
Tana
-
11 years ago
6
ID003 device info
PCRE (PHP <7.3)
no description available
Submitted by
sasjaq
-
11 years ago
-2
[A-Z]+[a-z]{1,2}[0-9]*
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
11 years ago
-2
A masz!
PCRE (PHP <7.3)
no description available
Submitted by
Ja
-
11 years ago
-2
failed attempt
PCRE (PHP <7.3)
no description available
Submitted by
DynV
-
11 years ago
1
Test Listing Parser
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
11 years ago
-2
Ukazka
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
11 years ago
-2
Remove empty HTML tags
PCRE (PHP <7.3)
Removes empty HTML tags. Was needed for old input clean-up and to keep a HTML parses from crashing. Looking for improvement on bottom test.
Submitted by
R. Sartorius
-
11 years ago
3
Task 2, part 1
PCRE (PHP <7.3)
Finds all source numbers in square brackets
Submitted by
Kovalev Evgeny
-
11 years ago
1
...
464
465
466
467
468
...
471
Community Library Entry
3
Regular Expression
Golang
`
(?i)
^
(?:
(
[
a
-
z0
-
9-
]
+
|
\*
)
\.
)?
(
[
a
-
z0
-
9-
]
{1,61}
)
\.
(
[
a
-
z0
-
9
]
{2,7}
)
$
`
gm
Open regex in editor
Description
Validates subdomain, root domain, and wild card domains
Submitted by
AnonymousDapper
-
8 years ago