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 11,660 community submitted regex patterns...
29
CSV line parsing
PCRE (PHP <7.3)
Captures all fields from a CSV file's line. Can be customized with user-defined field separator and protecting character.
Submitted by
Various
-
10 years ago
10
Just validate one sequence of
PCRE (PHP <7.3)
sdfs sdfs FLBREV00022230 dsfsdfs sdfsf FLBREV00022234 In this case is false
Submitted by
Fiipe
-
10 years ago
29
Wrap long string to spec length
PCRE (PHP <7.3)
no description available
Submitted by
fullpipe
-
11 years ago
31
ninite
PCRE (PHP <7.3)
no description available
Submitted by
peek
-
9 years ago
17
Capture comma separated numbers
PCRE (PHP <7.3)
Capture comma separated numbers, no matter if there are spaces before or after the commas.
Submitted by
Fernando Nunes
-
9 years ago
19
Between tags content
PCRE (PHP <7.3)
no description available
Submitted by
AgustÃn Bouillet
-
9 years ago
9
Extract url GET parameters
PCRE (PHP <7.3)
Returns key/value pair of a url. Also works with google fonts which has additional information
Submitted by
anonymous
-
10 years ago
9
English date in "dd mmmm yyyy" format
Python
Parse an English date following the "dd mmmm yyyy" format.
Submitted by
Tantale
-
10 years ago
9
Letters, numbers and blank space
PCRE (PHP <7.3)
The following regular expression matches only letter a-z A-Z numbers 0-9 and a blank space for a given string.
Submitted by
Jordan Raychev
-
9 years ago
11
Codice fiscale
PCRE (PHP <7.3)
Check "codice fiscale"
Submitted by
Luca
-
9 years ago
8
Sentence grabber /w extra check
PCRE (PHP <7.3)
Grabs sentences including terms like: e.g. z.b. Figs.These get caught in 1st capturing group. Problem: how to only accept matching sentences which contain pattern \b\d+[a-z]{0,2}\b?
Submitted by
light0
-
11 years ago
18
Date Regex(DD/MM/yyyy)
PCRE (PHP <7.3)
no description available
Submitted by
alcaamado
-
9 years ago
4
semver
Recommended
PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md First version of this regex follows semver 2.0.0....
Submitted by
@gvlx <Gerardo Lisboa>
-
10 years ago
7
SO: fail2ban regular to find 403 request in nginx
Python
http://stackoverflow.com/q/25778420/2072035
Submitted by
anonymous
-
10 years ago
(Last modified a year ago)
7
[A-Za-z\x{0600}-\x{06FF}\x{1000}-\x{1021}_-][-\w]*
PCRE (PHP <7.3)
A-Za-z\x{0600}-\x{06FF}\x{1000}-\x{1021}_-*
Submitted by
[A-Za-z\x{0600}-\x{06FF}\x{1000}-\x{1021}_-][-\w]*
-
10 years ago
7
validate US (5 & 9 digit) ZipCodes and CA PostalCodes
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
7
IOS3166 Country Code Identification REGEX
Python
IOS3166 Country Code Identification REGEX
Submitted by
theitgeek@recu.org.uk
-
9 years ago
7
Remove Widows (PHP)
PCRE (PHP <7.3)
Adds a non-breaking space between the last two words of sentences
Submitted by
herkulano
-
9 years ago
5
Find All Python imports
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
5
relative to absolute
PCRE (PHP <7.3)
relative to absolute
Submitted by
xp_prg
-
10 years ago
1
...
579
580
581
582
583
Community Library Entry
40
Regular Expression
PCRE (PHP <7.3)
/
(
(
(
[
A
-
Za
-
z
]
{3,9}
:
(?:
\/\/
)?
)
(?:
[
-;:&=
\+\$
,
\w
]
+
@
)?
[
A
-
Za
-
z0
-
9.-
]
+
|
(?:
www
.
|
[
-;:&=
\+\$
,
\w
]
+
@
)
[
A
-
Za
-
z0
-
9.-
]
+
)
(
(?:
\/
[
\+
~%
\/
.
\w
-_
]
*
)?
\?
?
(?:
[
-
\+
=&;%@.
\w
_
]
*
)
#
?
(?:
[
.
\!\/\\
w
]
*
)
)?
)
/
ig
Open regex in editor
Description
A quite neat regular expression for URLs, e-mails..., I found on Matthew O'Riordan's blog.
Submitted by
Matthew O'Riordan
-
12 years ago