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 18,040 community submitted regex patterns...
1
Eclipse Keyword SPECGRID
Python
Retrieve the first numeric parameters of the SPECGRID keyword
Submitted by
Rashmin Dandekar
-
8 years ago
1
Pass
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
電子發票
PCRE (PHP <7.3)
電子發票
Submitted by
RJpolar
-
8 years ago
1
Remove Script Tags
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
Find ToCs
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
Vimeo video links
ECMAScript (JavaScript)
Matches vimeo links with and without #t=xxs at the end
Submitted by
Jurij
-
8 years ago
1
Liveleak videos
ECMAScript (JavaScript)
Match liveleak videos
Submitted by
Jurij
-
8 years ago
1
Validate npm libraries
ECMAScript (JavaScript)
Validate npm libraries in the format library-name@version
Submitted by
Mateo Guzman
-
8 years ago
1
Canadian Zip code - Optional space or hyphen seperator
PCRE (PHP <7.3)
Match a string that's completely made up of a Canadian Zip code that can contain a space or hyphen as a seperator.
Submitted by
Mike Bald
-
8 years ago
1
Only Numbers from CPF
PCRE (PHP <7.3)
no description available
Submitted by
Thiago Mata
-
8 years ago
1
zz
ECMAScript (JavaScript)
xx
Submitted by
x
-
8 years ago
1
Puush
PCRE (PHP <7.3)
Regex that matches puu.sh links
Submitted by
Jurij
-
8 years ago
1
SoundCloud
ECMAScript (JavaScript)
Matches links to songs, playlists and links when clicked from a playlist.
Submitted by
Jurij
-
8 years ago
1
Extract image from string / plain text
PCRE (PHP <7.3)
If you have a string with a image URL
Submitted by
Cavla
-
8 years ago
1
state district
Python
no description available
Submitted by
anonymous
-
8 years ago
1
ProceedingList
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
Check for underscore
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
1
email
PCRE (PHP <7.3)
email validation
Submitted by
Chandan
-
8 years ago
1
Season Rename -- Naruto Shippuuden Season Rename
PCRE (PHP <7.3)
Season Rename -- Naruto Shippuuden Season Rename Will grab that regex and use the same Episode number to rename it with the same file extention as well
Submitted by
_tak
-
8 years ago
1
complex number
Python
complex number
Submitted by
Yao Xiao
-
8 years ago
1
...
248
249
250
251
252
...
902
Community Library Entry
0
Regular Expression
Python
r"
(
0
\.
5
)
|
(
\.
5
)
|
(
[
0
-
9
]
*
?
)
\.
5
(
(?(1)
|
)
)
"
Open regex in editor
Description
Convert .5 in all its forms to 1/2
Submitted by
Brett Tofel
-
8 years ago