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...
2
sun_reservation_flights
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
2
sun-reservation-2-flights
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
2
<a href=" replacer
PCRE (PHP <7.3)
to put # instead of url
Submitted by
mrBakop
-
9 years ago
2
Href parse
ECMAScript (JavaScript)
matches href, title, innerhtml
Submitted by
chrysls
-
9 years ago
2
Regex for Chemical Compounds
Python
no description available
Submitted by
Haiming Zhao
-
9 years ago
2
Remove XSS
ECMAScript (JavaScript)
no description available
Submitted by
Harish Thakur
-
9 years ago
2
DateWithDay
PCRE (PHP <7.3)
no description available
Submitted by
BobD
-
9 years ago
2
String Interpolation
ECMAScript (JavaScript)
String Interpolation. Works Like Angular
Submitted by
Aykut Alpgiray Ateş
-
9 years ago
2
SSN
ECMAScript (JavaScript)
allow nine digits only
Submitted by
anonymous
-
9 years ago
2
Bible verse, biblical string in text
ECMAScript (JavaScript)
Matches biblical strings in text. Two capture groups are used - one for the books name and another for the passages of the same book. RegEx is long because it is strict!!! If you want to also match books names without specified chapter and verses use: /((?:[1234]\s?)?[a-zа-я]+)(\s?\d+(?::(?:\d+[—–-...
Submitted by
Desislavsd
-
9 years ago
2
IPv4 strict
PCRE (PHP <7.3)
Valid: 000.01.249.255 1.199.200.0 0.0.0.0 Invalid:...
Submitted by
MaxusR
-
9 years ago
2
Password Regex
PCRE (PHP <7.3)
Atleast one charector Atleast one number Min 6 and Max 20 Special charectors optional
Submitted by
Bijjala
-
9 years ago
2
csv split, accounting for 'sub-csv' groups inside brackets
PCRE (PHP <7.3)
This came up as a need for splitting a url param into an array ofr stings, where such a string may be a sublist contained within a bracket pair
Submitted by
Martin Renvoize
-
9 years ago
2
bitcoin 1.00000000 minimum
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
2
github user/repo regex
Python
parses user/repo
Submitted by
luckydonald
-
9 years ago
2
MONTHDAY
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
2
hex number check
PCRE (PHP <7.3)
check if a string is a hex number
Submitted by
anonymous
-
9 years ago
2
Numéro de sécurité sociale (France)
PCRE (PHP <7.3)
no description available
Submitted by
Anas
-
9 years ago
2
get all between 2 lines
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
...
870
871
872
873
874
...
901
Community Library Entry
0
Regular Expression
Python
r'''
(
[
\d
{1,3}
\.
]
+
)
\/
(
\d
{2}
)
'''
gm
Open regex in editor
Description
Parses data to match IPv4 addresses along with CIDR mask.
Submitted by
anonymous
-
2 years ago