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 11,620 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
Extract parts of a URL on Python
Python
Extract parts of a URL on Python
Submitted by
dixanms
-
3 years ago
2
regex101.com id grabber
PCRE (PHP <7.3)
Grabs the ID for the regex101.com permalink to code.
Submitted by
Sasha Garan
-
3 years ago
(Last modified 3 years ago)
2
Lua Enhanced: +=
Python
Adds += to Lua.
Submitted by
anonymous
-
3 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
Good enough IPv6
PCRE (PHP <7.3)
A good enough approximation to IPv6 based on the examples at https://www.ibm.com/docs/en/ts3500-tape-library?topic=functionality-ipv4-ipv6-address-formats
Submitted by
mig8447
-
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
-
2 years ago
(Last modified 2 years 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
-
2 years ago
2
Get ip address (only ipv4) Validator
.NET 7.0 (C#)
Get ip address (only ipv4) Validator
Submitted by
Mr.Tang
-
2 years ago
(Last modified 2 years ago)
2
Aus Mobile number
.NET 7.0 (C#)
validates against multiple common formats
Submitted by
anonymous
-
2 years 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
Mikrotik firewall logs
Golang
Matching for mikrotik ROS 7 Used in promtail and grafana
Submitted by
anonymous
-
a year ago
(Last modified a year ago)
2
Invalid Windows Filename Chars
PCRE (PHP <7.3)
https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file Integer value zero, sometimes referred to as the ASCII NUL character. Characters whose integer representations are in the range from 1 through 31, except for alternate data streams where these characters are allowed. For more info...
Submitted by
anonymous
-
a year ago
(Last modified a year ago)
2
**japanese text** to bold <b>japanese text</b>
PCRE (PHP <7.3)
japanese text to bold japanese text 食べるんだ 食 べるんだ
Submitted by
kurokuroshii
-
a month ago
(Last modified a month ago)
3
Match quoted strings, ignoring escaped quotes
PCRE (PHP <7.3)
Matches single or double quoted strings, and ignores backslash-escaped quotes within the string.
Submitted by
Maddingue
-
11 years ago
3
Prime number regex
PCRE (PHP <7.3)
no description available
Submitted by
originally "Abigail", comp.lang.perl.misc
-
11 years ago
3
SQL select columns
PCRE (PHP <7.3)
no description available
Submitted by
Phan
-
11 years ago
3
Get Nth value (3 times)
PCRE (PHP <7.3)
capture Nth character from string, 3 times
Submitted by
K.
-
11 years ago
1
...
566
567
568
569
570
...
581
Community Library Entry
2
Regular Expression
.NET 7.0 (C#)
@"
^
(?>
(?'protocol'
[
a
-
zA
-
Z
]
+
)
://
)?
(?'domain'
[
a
-
zA
-
Z0
-
9.
\-
_
]
*
)?
(?>
:
(?'port'
\d
{1,5}
)
)?
/
(?'path'
[
a
-
zA
-
Z0
-
9_
\-
%
]
+
)
(?:
(?>
\?
(?'query'
[
a
-
zA
-
Z0
-
9_
\-
=&%
]
+
)
)
(
)
|
(?>
#
(?'anchor'
[
a
-
zA
-
Z0
-
9_
\-
%
]
+
)
)
(
)
){0,2}
$
"
gm
Open regex in editor
Description
Matches protocol, domain, port, path, query and anchor as named capturing groups.
Submitted by
Jonathan
-
a year ago
(Last modified a year ago)