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 360 community submitted regex patterns...
0
APA Citation v1
Java 8
Parse APA v7 citations
Submitted by
mathias v
-
2 years ago
0
Java RegEx Group Test
Java 8
Test
Submitted by
anonymous
-
2 years ago
0
Java RegExMatch Example
Java 8
This is an example for stackoverflow
Submitted by
anonymous
-
2 years ago
0
URL Validation
.NET 7.0 (C#)
Can be used to validate on URL's.
Submitted by
anonymous
-
2 years ago
0
Cover dates from 2009 and older in French format and English
Java 8
Covering Dates starting from year 2009 and older in French and English Some of the valid Dates format April 2nd 2008 April 2 2008 April 02 2008...
Submitted by
Francois-Alexandre Valade-Casaubon
-
a year ago
0
Camel-Case Splitter (preserves Acronyms)
.NET 7.0 (C#)
Splits camel-case string and preserves acronyms
Submitted by
Tyler S.
-
a year ago
1
...
16
17
18
Community Library Entry
0
Regular Expression
.NET 7.0 (C#)
@"
^
(?=
(?<http>
(?:
https
?
:
\/\/
){1}
(?:
www
\.
)?
)?
)
(?
(?=
\k<http>
?
(?<ipaddr>
(?:
\d
{1,3}
\.
){3}
\d
{1,3}
(?:
\:
\d
{1,5}
)?
)
)
\k<http>
?
\k<ipaddr>
(?:
\.
[
\w
]
{1,9}
)?
|
\k<http>
(?:
[
\w
]
\.
?
){1,255}
\.
[
\w
]
{1,9}
)
(?:
\/
.
*
)?
$
"
gm
Open regex in editor
Description
Can be used to validate on URL's.
Submitted by
anonymous
-
2 years ago