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
Cisco DHCP Exclusions
PCRE2 (PHP >=7.3)
Find Cisco config DHCP exclisions
Submitted by
Justin Cooksey
-
7 months ago
1
Cisco DHCP Pools
PCRE2 (PHP >=7.3)
Cisco config find each DHCP Pool Either full subnet pool or a static device entry pool
Submitted by
Justin Cooksey
-
7 months ago
1
ROW 7
PCRE2 (PHP >=7.3)
Match words containing "prostat" followed by 0 to 3 characters
Submitted by
RDD_DEP
-
7 months ago
(Last modified 7 months ago)
1
ايجاد كلمات و كلمات بعدها بعدد احرف معين
PCRE2 (PHP >=7.3)
Regex لدورة المدرسة
Submitted by
anonymous
-
7 months ago
1
Invalid CSS Class
ECMAScript (JavaScript)
Checks if the syntax of the passed string would be a valid css class.
Submitted by
bye-csavier
-
7 months ago
(Last modified 7 months ago)
1
Invalid HTML Attribute (Permissive)
ECMAScript (JavaScript)
This regex is based on the specifications in the w3c documentation. The rules are* very permissive, and some* of this characters actually lead to errors in browsers.
Submitted by
bye-csavier
-
7 months ago
1
Invalid HTML Attribute (Strict)
ECMAScript (JavaScript)
This version of the regex is less permissive than the w3c documentation.. It matches only the common attribute syntax.
Submitted by
bye-csavier
-
7 months ago
1
password
.NET 7.0 (C#)
password validator
Submitted by
anonymous
-
7 months ago
1
Krist name
PCRE2 (PHP >=7.3)
Krist name regex, also supporting metanames. Source
Submitted by
anonymous
-
7 months ago
1
array() short syntax []
PCRE2 (PHP >=7.3)
In PHP scripts replace array() with short syntax []
Submitted by
papi Jo
-
7 months ago
1
Krist name or address
PCRE2 (PHP >=7.3)
Krist name or address regex, where names also support metanames. Source 1 Source 2
Submitted by
anonymous
-
7 months ago
1
Distinguish torrent files (series vs movies) with episode numbers
Python
a modified verison of this awesome regex https://regex101.com/library/yP4bY4 by author firas dib that includes a capture group for episode numbers in addition to season numbers.
Submitted by
SethMacKayChandler
-
7 months ago
(Last modified 7 months ago)
1
Match all PHP function or method calls including inside the opening and closing curly braces/brackets
PCRE2 (PHP >=7.3)
Capture PHP Function/Class Methods Use regular expression to capture the whole method/function. Parse static PHP code for functions and class methods. Useful for getting tokens and possibly use to generate a Call-Graph for debugging.
Submitted by
chipgraphics#gmail.com
-
7 months ago
1
Tac Tac Tic
PCRE2 (PHP >=7.3)
Only accepts a new `tic if there are two tac` before it.
Submitted by
@roshankumar350
-
7 months ago
1
Find image html tags without alternative text
PCRE2 (PHP >=7.3)
This regex finds images html tags without alternative text
Submitted by
anonymous
-
7 months ago
1
YouTube Video ID
Java 8
Gets the ID of a YouTube Video from any link to it.
Submitted by
cheeseburger
-
7 months ago
1
Malaysian Patronymic Separator
PCRE2 (PHP >=7.3)
This regular expression matches patronymic separators commonly used in Malaysian names such as: Bin Binti A/L or A\L A/P or A\P ...
Submitted by
alzhahir
-
7 months ago
(Last modified 7 months ago)
1
haha regex
PCRE2 (PHP >=7.3)
haha funny regex min 3 char
Submitted by
Mehmet Kozan
-
7 months ago
(Last modified 7 months ago)
1
lol regex
ECMAScript (JavaScript)
lol regex
Submitted by
Mehmet Kozan
-
7 months ago
1
emoji char regex
ECMAScript (JavaScript)
xd sorun olabilir xd iki karakter çıkartıldı k6ZyRC
Submitted by
Mehmet Kozan
-
7 months ago
(Last modified 7 months ago)
1
...
351
352
353
354
355
...
902
Community Library Entry
0
Regular Expression
ECMAScript (JavaScript)
/
^\d
+
(?:
\.
+
\d
*
)?
$
/
Open regex in editor
Description
This regex checks for numbers with optional decimal part.
Submitted by
Pratik Sanyal
-
9 years ago