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 18,020 community submitted regex patterns...
1
URL matching with HTTP(s) and IPv4 with Port
Python
no description available
Submitted by
anonymous
-
5 years ago
1
URL Validator
PCRE (PHP <7.3)
Finds valid URLs (they have to start with "https://")
Submitted by
chris mccoy
-
5 years ago
0
Move the selector backwards and forwards
PCRE (PHP <7.3)
Add dots BEHIND the y to make the selection go backwards (the y can be anything you want) and add dots BEFORE the \K to make the selection go forwards. The dot after the \K is to make the selection a whole letter.
Submitted by
anonymous
-
5 years ago
0
Package name
ECMAScript (JavaScript)
The string must be less than 21 characters, mus not have spaces, it can only contain lowercase letters, hyphens (-) or underscores (_)
Submitted by
anonymous
-
5 years ago
0
html code for LaTeX math expression
Python
Finds any value inside the HTML ... in order to replace with $...$
Submitted by
anonymous
-
5 years ago
0
Single Sim
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Format thousand number with Regex
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
5 years ago
1
Сельскохозяйственные угодья
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
frame name
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Email validation
Python
no description available
Submitted by
anonymous
-
5 years ago
0
取所有有bounds 的節點
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
取發圖記錄的大節點
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Check response of a serially connected Bronkhorst flowmeter for a certain range
ECMAScript (JavaScript)
Bronkhorst Flowmeters use a somewhat unique protocol for communication. In the ascii protocol the resonse is transmitted as an unsigned integer coded as 4 hexadecimal chiffres. The values are normalized so that 32000 (7D00h) is 100% of the capacitiy of the device. For my case, valid Values range fr...
Submitted by
anonymous
-
5 years ago
0
eleveo
Golang
no description available
Submitted by
anonymous
-
5 years ago
0
Verificar hash com contexto de conta
ECMAScript (JavaScript)
Links hash podem ser passados em contexto diferente. Nesse caso é identificado o contexto antes do hash para endereço.
Submitted by
anonymous
-
5 years ago
0
Set items first parsing
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
d3 classes
PCRE (PHP <7.3)
Uses JS file with all data (class data only) to make a PHP array (to be used in PHP framework).
Submitted by
anonymous
-
5 years ago
0
Two words in sentence without one word
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
%import
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
5 years ago
0
Android signal level
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
5 years ago
1
...
428
429
430
431
432
...
901
Community Library Entry
0
Regular Expression
ECMAScript (JavaScript)
/
^
(?:
[
a
-
zA
-
Z0
-
9.
\-
+
]
+
|
(?:
"
.
+
"
)
)
@
[
a
-
zA
-
Z0
-
9
]
(?:
[
a
-
zA
-
Z0
-
9-
]
{0,253}
[
a
-
zA
-
Z0
-
9
]
)?
(?:
\.
[
a
-
zA
-
Z0
-
9
]
(?:
[
a
-
zA
-
Z0
-
9-
]
{0,253}
[
a
-
zA
-
Z0
-
9
]
)?
)+
$
/
Open regex in editor
Description
no description available
Submitted by
anonymous
-
7 years ago