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
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 2,420 community submitted regex patterns...
2
Replace dotnet assembly versions
Python
Replaces both VB & C# AssemblyInfo files.
Submitted by
ankostis
-
3 years ago
(Last modified 3 years ago)
2
yyyy/mm/dd
Java 8
^(((\d{3}[1-9]|\d{2}[1-9]\d|\d[1-9]\d{2}|[1-9]\d{3})(\/)(((0[13578]|1[02])(\/)(0[1-9]|[12]\d|3[01]))|((0[469]|11)(\/)(0[1-9]|[12]\d|30))|(02(\/)(0[1-9]|[1]\d|2[0-8]))))|(((\d{2})(0[48]|2468|13579)|((0[48]|2468|3579)00))(\/)02(\/)29))$ Match year/month/day, date format. E.g: 2021/08/25 [match] 2021/...
Submitted by
mayl0421
-
3 years ago
2
Markdown Heading
Java 8
Parses the text following a '#' and a space all the way up to the next return character. Additional #'s can be added for parsing of other type of headings!
Submitted by
Hansen
-
3 years ago
2
Extract parts of a URL on Python
Python
Extract parts of a URL on Python
Submitted by
dixanms
-
2 years ago
2
Lua Enhanced: +=
Python
Adds += to Lua.
Submitted by
anonymous
-
2 years ago
2
Asciidoc PlantUML Block
Java 8
Regex to select PlantUML Block in Asciidoc documents
Submitted by
anonymous
-
2 years ago
2
Zoom links, only with passwords
.NET 7.0 (C#)
Group 1 will have meeting id, group 2 will have password
Submitted by
anonymous
-
2 years ago
2
Mime type parser
.NET 7.0 (C#)
A "simple" regex to parse mime types. Handles all commonly occurring parts of a mime type string such as: Type Subtype Subtype's with an extra extension (e.g. svg+xml) (Optional input) Multiple parameters (Optional input)...
Submitted by
Vespion
-
a year ago
(Last modified a year ago)
2
Replace sub-strings in string
.NET 7.0 (C#)
Replace sub-strings in string
Submitted by
anonymous
-
2 years ago
2
Phone number for all countries
.NET 7.0 (C#)
Phone number for all countries. Valid symbols: ( ), -, whitespace
Submitted by
Alexander Smirnov
-
a year ago
2
Get ip address (only ipv4) Validator
.NET 7.0 (C#)
Get ip address (only ipv4) Validator
Submitted by
Mr.Tang
-
a year ago
(Last modified a year ago)
2
Aus Mobile number
.NET 7.0 (C#)
validates against multiple common formats
Submitted by
anonymous
-
a year ago
2
URL Regex
.NET 7.0 (C#)
Matches protocol, domain, port, path, query and anchor as named capturing groups.
Submitted by
Jonathan
-
a year ago
(Last modified a year ago)
2
Python regular expression to detect any type of group link and private channel in Telegram
Python
You can use this regular expression to identify any type of Telegram link. It doesn't matter whether it is t.me or telegram.me. Links including "joinchat" are also accepted.
Submitted by
Telegram : T.me/TinyPY
-
a year ago
(Last modified a year ago)
2
Check Email Validity
Java 8
Regular expression to check the email syntax validity. Certainly requires improvement, but it's a good basis to work from. Work with Java and JavaScript.
Submitted by
Alain TOMASIAN <alain.tomasian@kaptus.fr>
-
8 months ago
(Last modified 8 months ago)
3
date time
Python
1/Jul/2013 03:27:12
Submitted by
himel
-
10 years ago
3
how to match both lines?
Python
f_name may contain spaces, numbers, characters,... so I would go for a but then I couldn't use [...]? anymore to match the second line?
Submitted by
anonymous
-
10 years ago
3
Find URLs in markdown where the lines have been wrapped
Python
no description available
Submitted by
anonymous
-
10 years ago
3
Twitch URL Regex
Python
Can grab all kinds of valid twitch URLs.
Submitted by
Mio
-
9 years ago
3
phone
Python
matches: + example: +52 33 3884 7720 +1 770 343 5788
Submitted by
miqui
-
9 years ago
1
...
117
118
119
120
121
Aus Mobile number
2
Regular Expression
.NET 7.0 (C#)
@"
^
(
(
\+
?
(
61
\W
?
4
)
)
|
(
04
)
)
\W
?
(
(
[
0
-
9
]
{2}
\W
[
0
-
9
]
{3}
\W
[
0
-
9
]
{3}
)
|
(
[
0
-
9
]
{8}
)
|
(
[
0
-
9
]
{4}
\W
[
0
-
9
]
{4}
)
|
(
[
0
-
9
]
{2}
\W
[
0
-
9
]
{6}
)
)
$
"
Open regex in editor
Description
validates against multiple common formats
Submitted by
anonymous
-
a year ago