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 18,020 community submitted regex patterns...
1
deobfusc js
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
Repeating numbers
ECMAScript (JavaScript)
Repeating numbers (11111,22222,333333)
Submitted by
Selva
-
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
catch out a filed repeate more times
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
how to solve this?
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
Search Ext.Logger with <debug> tag
PCRE (PHP <7.3)
no description available
Submitted by
Henry Nguyen
-
9 years ago
1
test
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
SunlessSea Advanced Parser
PCRE (PHP <7.3)
for [d:] and [q:]
Submitted by
MestreLion
-
9 years ago
1
elabFK
PCRE (PHP <7.3)
solution for matching
Submitted by
FK
-
9 years ago
1
Trim Regex
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
Trim Regex
PCRE (PHP <7.3)
no description available
Submitted by
Gabriel R. Sezefredo
-
9 years ago
1
Sunless Sea Game Note
Python
no description available
Submitted by
MestreLion
-
9 years ago
1
ISO, UK/US and international numbers
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
1
yFrame Origin Filter
ECMAScript (JavaScript)
Pattern used to filter URL origin (protocol:host) for yFrame.
Submitted by
grese
-
9 years ago
0
Check That User Has Input Valid YYYY
ECMAScript (JavaScript)
This simple regex checks if a user has input correct YYYY format.
Submitted by
@izotope115
-
9 years ago
0
Validates Against YYYY
ECMAScript (JavaScript)
This regex checks if a user has input 4 digit year integer.
Submitted by
@izotope115
-
9 years ago
1
nao
PCRE (PHP <7.3)
nao
Submitted by
anonymous
-
9 years ago
1
includes file name - exclude path name - for jpg file
PCRE (PHP <7.3)
no description available
Submitted by
L clarke
-
9 years ago
0
ContentPlace Xml Tag
ECMAScript (JavaScript)
ContentPlace Xml Tag
Submitted by
Saeed Tabrizi
-
9 years ago
0
Regex Fecha yyyy-MM-dd
ECMAScript (JavaScript)
valida fechas de 19## a 20##, en formato yyyy-MM-dd
Submitted by
http://www.regular-expressions.info/dates.html
-
9 years ago
1
...
191
192
193
194
195
...
901
Community Library Entry
0
Regular Expression
ECMAScript (JavaScript)
/
^
[
0
-
9
]
{4}
$
/
Open regex in editor
Description
This simple regex checks if a user has input correct YYYY format.
Submitted by
@izotope115
-
9 years ago