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...
0
Domain name validation
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Remove forward/reply prefixes (F:, Fw:, Fwd:, Re:, R:) from an email subject
ECMAScript (JavaScript)
C# Code Sample: var subject = "RE: RE:Fw: RE:FW: FWD: re: This is a message from a long thread re: asdf "; var pattern = @"((?:[\t ](?:R|RE|F|FW|FWD):[\t ]))(.)"; var regex = new Regex(pattern, RegexOptions.ECMAScript | RegexOptions.IgnoreCase); var match = regex.Match(subject); var extr...
Submitted by
safeer
-
6 years ago
0
Coolstuff datos
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
coolstuff expas
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Regex 1
PCRE (PHP <7.3)
https://www.autoitscript.com/forum/topic/105350-truncate-large-string/
Submitted by
anonymous
-
6 years ago
0
File name and extension from url
PCRE (PHP <7.3)
File name and extension from url
Submitted by
anonymous
-
6 years ago
0
last / lastest / recent
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 1
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 1 Searching with word boundaries
PCRE (PHP <7.3)
https://www.regular-expressions.info/numericranges.html
Submitted by
anonymous
-
6 years ago
0
mc coord extract
Python
no description available
Submitted by
anonymous
-
6 years ago
0
Participant Slug
ECMAScript (JavaScript)
'a-z' - lowercase 'A-Z' - uppercase '-' - hyphens 0-9 - numeric {5, 32} between 5 and 32 characters
Submitted by
anonymous
-
6 years ago
0
Lab3 RegEx
Python
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 2
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 3
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 4
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 4
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 6
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 7
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 8
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Matching Numeric Ranges with a Regular Expression 9 My solution
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
1
...
544
545
546
547
548
...
902
Community Library Entry
0
Regular Expression
PCRE (PHP <7.3)
/
(
[
a
-
z0
-
9
]
.
*
)
@
(
[
a
-
z0
-
9
]
.
*
)
\.
(
[
a
-
z
]
{2,3}
)
/
gm
Open regex in editor
Description
no description available
Submitted by
anonymous
-
6 years ago