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 18,000 community submitted regex patterns...
-2
LogFile Alert: Pattern 'Memory queue for message type 1: 3038' found i
PCRE (PHP <7.3)
LogFile Alert: Pattern 'Memory queue for message type 1: 3038' found in /var/log/me
Submitted by
anonymous
-
9 years ago
-2
ex_3_b
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
-2
MYSQL DateTime validator (leap year support)
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
-2
Prosed OFX DateTimeType pattern for v.2.1.1+
Python
no description available
Submitted by
Oleg Sakharov karpuscul@gmail.com
-
9 years ago
-2
^.+(c.youtube.com|googlevideo.com|cdn.dailymotion.com).*\$
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
-2
3~4 length password
PCRE (PHP <7.3)
1.the string can be of lenght 3 or 4 2.the string should start with a alphabet 3.the string should contain atleast one alphabet and number.
Submitted by
Kerwin
-
9 years ago
-2
xml_kv_extraction
PCRE (PHP <7.3)
Basic XML key-value extraction
Submitted by
Keith Muggleton
-
9 years ago
-2
march html tag
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
-2
Camelize JSON
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
-2
Substitute text between brackets
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
-2
French phone attempt
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
-2
Brazillian Telephone Number validator
PCRE (PHP <7.3)
A basic validator for BR phone numbers
Submitted by
Yemolai
-
9 years ago
-2
Find labels without preferredMaxLayoutWidth and multiple lines in Appl
PCRE (PHP <7.3)
Allows to find label generating warnings like "Automatic Preferred Max Layout Width before iOS 8.0" in XCode
Submitted by
Alessio Anesa
-
9 years ago
-2
remove eval(base64_decode( ));
PCRE (PHP <7.3)
\seval\(base64_decode\(?\)\);
Submitted by
manish kumar
-
9 years ago
-2
email
PCRE (PHP <7.3)
matches normal email addresses like example@gmail.com but also addresses with ip addresses like example@192.168.0.34 (not ipv6)
Submitted by
Adrian Kühni
-
9 years ago
-2
Name/Surname
ECMAScript (JavaScript)
Regex to constrain a text to have at least 2 strings. Compatible with 2nd-3rd-Nth names/surnames.
Submitted by
BigL
-
9 years ago
-2
match commas between sets or members, but not inside members.
Python
matches only those commas that are between sets, or between members of a set. does not match commas that are inside members.
Submitted by
Amrit Kohli
-
9 years ago
-2
Validating comma delimited strings for whitespaces & extra commas
ECMAScript (JavaScript)
Validating comma delimited strings for whitespaces & extra commas -- +(,()+){0,}
Submitted by
Cyril Mathew
-
9 years ago
-2
Simple Username Pattern
PCRE (PHP <7.3)
a simple username pattern
Submitted by
Saeed Tabrizi
-
9 years ago
-2
DOTNET
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
...
531
532
533
534
535
...
900
Community Library Entry
0
Regular Expression
PCRE (PHP <7.3)
/
\d
{1,3}
\.
\d
{1,3}
\.
\d
{1,3}
\.
\d
{1,3}
/
gm
Open regex in editor
Description
This Regex finds IPv4 addresses
Submitted by
anonymous
-
6 years ago