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
Highest Score
Lowest Score
Most upvotes
Most downvotes
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
Community Patterns
Search among 5,680 community submitted regex patterns...
1
Find duplicate char in a string
ECMAScript (JavaScript)
it was used in this codewar challenge. and i find i really interesting. Also u can Write it like this if you want /(.)\1+/g it works exactly the same
Submitted by
anonymous
-
2 years ago
1
RegEX IBAN SEPA with spaces
ECMAScript (JavaScript)
RegEX IBAN SEPA with spaces
Submitted by
Karim MB
-
2 years ago
1
Percentage regex
ECMAScript (JavaScript)
Percentage regex allows integer and float values e.g. 10 // valid 12 // valid 12.34 // valid 12.345 // invalid 99.99 // valid...
Submitted by
Ankit Patel
-
2 years ago
1
Regex for url
ECMAScript (JavaScript)
Regex for url
Submitted by
anonymous
-
2 years ago
(Last modified 2 years ago)
1
Match binary calculator, Operands and Operator
ECMAScript (JavaScript)
Match binary number (0 | 1), with or not Operand (+ | - | / | *)
Submitted by
chuaschinai
-
2 years ago
1
Docker image tag with named groups
ECMAScript (JavaScript)
Named groups, port in registry, sha256
Submitted by
petersamokhin with help from https://stackoverflow.com/questions/39671641
-
2 years ago
1
Select Markdown Text and content
ECMAScript (JavaScript)
This expression selects any square brackets and the content inside it. Exemple: [DataTransfer] []...
Submitted by
innnerception
-
a year ago
1
Function for LScript
ECMAScript (JavaScript)
RegEx for finding function in LScript programming language
Submitted by
anonymous
-
a year ago
(Last modified a year ago)
1
Function creation in LScript
ECMAScript (JavaScript)
RegEx for finding creation of a function in LScript programming language
Submitted by
anonymous
-
a year ago
(Last modified a year ago)
1
Function argument in LScript
ECMAScript (JavaScript)
RegEx for finding each argument when creating a function in LScript programming language
Submitted by
anonymous
-
a year ago
1
URL Parts Extractor
ECMAScript (JavaScript)
Extracts parts of an URL into regex groups: ((?:(?:http|ftp|ws)s?|sftp):\/\/?)?(group 1): extracts the protocol (+\.+|localhost)(group 2): extracts the hostname (:\d+)?(group 3): extracts the port number ((?:\/\w+)\/)?([\w\-.]++)?(groups 4 & 5)*: extracts the path part (+)?(group 6): extracts the qu...
Submitted by
Elie Grenon (elie-g)
-
a year ago
1
Timestamps
ECMAScript (JavaScript)
Recognizes timestamps with the technical timestamp format.
Submitted by
Alejandro, Andreu
-
a year ago
(Last modified a year ago)
1
Matching CSS Properties
ECMAScript (JavaScript)
CSS Properties
Submitted by
Luidenka
-
a year ago
1
Email with special characters
ECMAScript (JavaScript)
Built using this specification
Submitted by
studium-inexorabile
-
a year ago
1
Word boundary with umlauts
ECMAScript (JavaScript)
Word boundary \b does not support umlauts.
Submitted by
StephanGeorg
-
a year ago
1
Conventional Commits RegEx
Python
This RegEx can be used to check whether a string (usually a commit message) matches the structure specified in the conventional commits specification and it allows to retrieve the sections of the structure via. named groups. The groups are the following: (? means, that this can be empty/nullable) ...
Submitted by
mccoderpy
-
a year ago
1
IPv4
Python
| Regex | Number | | :----------: | :-----------: | | 1?[1-9]?\d | 0-99, 110-199 | | 12\d | 100-149, 200-249 | | 25[0-5] | 250-255 | ...
Submitted by
MicroMicrocosm
-
a year ago
1
Match last repetition and remove it
ECMAScript (JavaScript)
Remove the last repetition of a on texts like: a b c d a e f g
Submitted by
Icaruk
-
a year ago
1
Extract email username from email address
ECMAScript (JavaScript)
This workspace contains the needed ECMAScript regex for use in Cloudflare Workers Email Routing.
Submitted by
~ajhalili2006
-
a year ago
1
triple / double bottles
Python
triple / double bottles
Submitted by
anonymous
-
a year ago
1
...
90
91
92
93
94
...
284
TX7470 and RX1
0
Regular Expression
ECMAScript (JavaScript)
/
\x19
A
(
\d
*
)
d
\[
?
(
\d
*
)?
\]
?
(
.
*
)
-
(
\S
+
)
\s
(
\d
+
)?
\:
?
(
\w
*
)?
\s
?
\d
?
\x0c
?
(
.
*
)?
\x18
|
\x19
A
(
\d
*
)
d
(
\S
*
)
\s
?
(
\d
+
)?
\:
?
(
\w
*
)?
\s
?
\d
?
\x18
|
RECV,4,
(
\d
*
)
,
\[
?
(
\d
*
)?
\]
?
(
.
*
)
-
(
\S
+
)
\s
(
\d
+
)?
\:
?
(
\w
*
)?
\s
?
\d
?
\%
?
0
?
C
?
(
.
*
)?
|
RECV,4,
(
\d
*
)
,
(
\S
*
)
\s
?
(
\d
+
)?
\:
?
(
\w
*
)?
\s
?
\d
?
/
gm
Open regex in editor
Description
Working Regex
Submitted by
anonymous
-
5 years ago