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...
107
ECMAScript/JavaScript trim
ECMAScript (JavaScript)
Trim leading and trailing whitespace from a string.
Submitted by
fp
-
11 years ago
(Last modified 3 months ago)
238
Matching email addresses per RFC5322
PCRE (PHP <7.3)
The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.
Submitted by
Michael Musson
-
11 years ago
483
regex101.com permalink id grabber
PCRE (PHP <7.3)
Grabs the ID for the regex101.com permalink code. If a revision number is provided, grab that as well.
Submitted by
chris mccoy
-
11 years ago
(Last modified 8 months ago)
1
...
900
901
902
Community Library Entry
0
Regular Expression
PCRE (PHP <7.3)
/
\D
shared
\D
sections
\D\d
{3,5}
[
?
]
(
program_id
|
nav_info=&program_id
)
=6
/
g
Open regex in editor
Description
no description available
Submitted by
DK
-
7 years ago