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...
11
youtube url match
ECMAScript (JavaScript)
extract video id, index, play list id from youtube url
Submitted by
anonymous
-
9 years ago
8
IP Address (with 0s)
ECMAScript (JavaScript)
Matches all valid IP addresses from 0.0.0.0 to 255.255.255.255
Submitted by
Ryan Plummer
-
9 years ago
9
Fiddler raw body to PHP array
PCRE (PHP <7.3)
no description available
Submitted by
garsax
-
9 years ago
14
RFC3339 DateTime
Recommended
PCRE (PHP <7.3)
Validates a RFC3339 DateTime format. Does not validates the Data
Submitted by
anonymous
-
9 years ago
10
Conventional Commits validation
Python
This regex prevents the writing of non-standard conventional commits. I'm available on my github
Submitted by
Krisque
-
3 years ago
(Last modified 3 years ago)
18
Get path from any text
Recommended
PCRE2 (PHP >=7.3)
Get path (windows style) from any type of text (error message, e-mail corps ...), quoted or not. THIS IS THE SINGLE LINE VERSION !_ If you want understand how it work or edit it, go https://regex101.com/r/7o2fyy Relative path are not supported...
Submitted by
nitrateag
-
2 years ago
(Last modified a year ago)
27
Parsing browser User Agents
PCRE (PHP <7.3)
From a (fairly large) list of User Agent strings, extract the OS, Browser, and Device Type.
Submitted by
OnlineCop
-
10 years ago
(Last modified a year ago)
11
CSS Color Matcher
ECMAScript (JavaScript)
Pattern matching and extracting color code formats using RegEx. https://github.com/Kyza/color-regex/
Submitted by
Kyza
-
a year ago
32
Strict Password Validator
ECMAScript (JavaScript)
This regex matches only when all the following are true: password must contain 1 number (0-9) password must contain 1 uppercase letters password must contain 1 lowercase letters password must contain 1 non-alpha numeric number...
Submitted by
qho
-
7 years ago
(Last modified a year ago)
29
Cron schedule
Recommended
PCRE (PHP <7.3)
Validate cron lines (even the ones commented out)
Submitted by
anonymous
-
8 years ago
18
best youtube id match ( iframe embed replace ready )
Recommended
PCRE (PHP <7.3)
MATCH ANY YOUTUBE ID author : mi-ca v1.0 – 2017.03.08 This Regex match any youtube url and grab the ID. Embed ready √ --...
Submitted by
mi-ca.ch
-
6 years ago
1
...
898
899
900
Community Library Entry
1
Regular Expression
ECMAScript (JavaScript)
/
^
(?:
(?:
(?:
25
[
0
-
5
]
|
2
[
0
-
4
]
[
0
-
9
]
|
[
01
]
?
[
0
-
9
]
[
0
-
9
]
?
)
\.
){3}
(?:
25
[
0
-
5
]
|
2
[
0
-
4
]
[
0
-
9
]
|
[
01
]
?
[
0
-
9
]
[
0
-
9
]
?
)
\/
(?:
3
[
0
-
2
]
|
[
12
]
*
\d
)
,
)*
(?:
(?:
25
[
0
-
5
]
|
2
[
0
-
4
]
[
0
-
9
]
|
[
01
]
?
[
0
-
9
]
[
0
-
9
]
?
)
\.
){3}
(?:
25
[
0
-
5
]
|
2
[
0
-
4
]
[
0
-
9
]
|
[
01
]
?
[
0
-
9
]
[
0
-
9
]
?
)
\/
(?:
3
[
0
-
2
]
|
[
12
]
*
\d
)
$
/
mg
Open regex in editor
Description
Comma separated CIDR network addresses
Submitted by
Glenn
-
3 years ago