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...
0
Find empty lines
PCRE (PHP <7.3)
no description available
Submitted by
#madeux
-
5 years ago
0
1d20 Regex
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
SemVer - Versioning RegEx
PCRE (PHP <7.3)
Source: https://semver.org Alternative: https://simversion.github.io
Submitted by
anonymous
-
5 years ago
0
SemVer - Versioning RegEx - Alternative (JavaScript)
ECMAScript (JavaScript)
Source: https://semver.org Alternative: https://simversion.github.io
Submitted by
anonymous
-
5 years ago
0
Hexadecimal value
PCRE (PHP <7.3)
Long and short hexadecimal values.
Submitted by
anonymous
-
5 years ago
0
Valid email address (RFC5322)
PCRE (PHP <7.3)
RFC5322 RFC6854 updates RFC5322
Submitted by
anonymous
-
5 years ago
0
CETATENIE
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
SERIA_SI_NR
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
NASCUT_DOMICILIU
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
MO
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Pig Latin Tester
Python
A learning experience
Submitted by
anonymous
-
5 years ago
0
Python google docstring format - return section
Python
no description available
Submitted by
anonymous
-
5 years ago
0
Powershell - Get-Process Parser
PCRE (PHP <7.3)
This parser has been created to parse a CSV file has been exported by this powershell command (Get-Process | Select-Object -Property * | ConvertTo-Csv | Out-File Get-Process .csv) in order to understand every single activity within Microsoft® Windows® Operating System. The generated file has been...
Submitted by
anonymous
-
5 years ago
0
Парсинг письма "Запись на прием"
Python
no description available
Submitted by
anonymous
-
5 years ago
0
Парсинг письма "Заявка на забор документов"
Python
no description available
Submitted by
anonymous
-
5 years ago
0
SHENZHEN IO Assembly (Incomplete)
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Filtering log files w regular expressions q python subprocesses
Python
no description available
Submitted by
anonymous
-
5 years ago
0
Máscara Hora
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
big list grab
Python
test to grab from the big list
Submitted by
anonymous
-
5 years ago
0
Indentation detection
PCRE (PHP <7.3)
group 1: base indent group 2: indentation spaces a very generic code capturer
Submitted by
anonymous
-
5 years ago
1
...
275
276
277
278
279
...
902
Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
^
(
-
?
(
\d
*
\.
?
\d
+
)
|
(
\d
+
\.
\d
*
)
)
$
/
g
Open regex in editor
Description
Matches decimal numbers as accepted by e.g. Octave.
Submitted by
anonymous
-
8 years ago