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...
1
how to solve this?
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
catch out a filed repeate more times
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
2
github user/repo regex
Python
parses user/repo
Submitted by
luckydonald
-
9 years ago
1
Regex Groups
PCRE (PHP <7.3)
Complicated Example changing 2 values in a found string
Submitted by
anonymous
-
9 years ago
1
Repeating numbers
ECMAScript (JavaScript)
Repeating numbers (11111,22222,333333)
Submitted by
Selva
-
9 years ago
1
deobfusc js
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
not match first string
PCRE (PHP <7.3)
sgsg
Submitted by
ad
-
9 years ago
1
de-obfuscate javascript list
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
last element in list
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
2
Title Casing
ECMAScript (JavaScript)
for use in function to title case a string; function cap(str) { return str.replace(/\w\S*/g, function(txt) { return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase(); }); }
Submitted by
Tamara F
-
9 years ago
1
simple symbols
ECMAScript (JavaScript)
+a+====+b+
Submitted by
Tamara F
-
9 years ago
4
Function Declaration / Expression
ECMAScript (JavaScript)
matches both function declarations and expressions in javascript. ex. function name () {...} || function () {}
Submitted by
Ja Superior
-
9 years ago
1
email validation
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
email
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
regex title
PCRE (PHP <7.3)
yii2 regex
Submitted by
connor
-
9 years ago
1
RDATE
PCRE (PHP <7.3)
RDATE parsing REGEX
Submitted by
Brian
-
9 years ago
1
"greedy" ltv bug
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
c++
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
1
rigby
PCRE (PHP <7.3)
shows regular expression
Submitted by
anonymous
-
9 years ago
1
Windows SID
PCRE (PHP <7.3)
https://msdn.microsoft.com/en-us/library/windows/desktop/aa379649%28v=vs.85%29.aspx S-1-5-32-552 #The built-in system domain. S-1-5-21-109736768-1684412531-2440353719-701 # SIDS are not unique.
Submitted by
anonymous
-
9 years ago
1
...
724
725
726
727
728
...
902
Community Library Entry
1
Regular Expression
PCRE (PHP <7.3)
/
A
(?:
nt
|
pple
)
\s
A
/
Open regex in editor
Description
It won't capture in the group.we can't back refrence A(?:nt|pple)\sA\1
Submitted by
anonymous
-
9 years ago