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...
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
29
Cron schedule
Recommended
PCRE (PHP <7.3)
Validate cron lines (even the ones commented out)
Submitted by
anonymous
-
8 years 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)
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
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)
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)
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)
14
RFC3339 DateTime
Recommended
PCRE (PHP <7.3)
Validates a RFC3339 DateTime format. Does not validates the Data
Submitted by
anonymous
-
9 years ago
9
Fiddler raw body to PHP array
PCRE (PHP <7.3)
no description available
Submitted by
garsax
-
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
11
youtube url match
ECMAScript (JavaScript)
extract video id, index, play list id from youtube url
Submitted by
anonymous
-
9 years ago
18
Email (RFC2822)
Recommended
ECMAScript (JavaScript)
Email address compliant with RFC2822
Submitted by
Jago
-
9 years ago
9
extract subdomain(if available) or domain from URL
Python
This regex should extract the subdomain, if any, or the domain, if no subdomain is used, from an arbitrary URL
Submitted by
trevi@twanda.com
-
9 years ago
11
IPv4 Validator
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
4 years ago
(Last modified a year ago)
14
Email regex validation
ECMAScript (JavaScript)
RegEx email /^((?!\.)[\w-_.]*)(@\w+)(\.\w+(\.\w+)?)$/gim; Just playing with Reg Ex. This to validate emails in following ways ...
Submitted by
https://www.linkedin.com/in/peralta-steve-atileon/
-
6 years ago
(Last modified a year ago)
24
grab valid css rules and properties
ECMAScript (JavaScript)
no description available
Submitted by
Pavel Dominguez
-
9 years ago
10
Find Reddit Threads
Python
Simply searches for the thread-id in any kind of valid reddit-URL.
Submitted by
Mio
-
10 years ago
10
entity
Python
no description available
Submitted by
anonymous
-
9 years ago
82
Distinguish torrent files (series vs movies)
Python
A neat regex for finding out whether a given torrent name is a series or a movie. Returns the full name of the series with the separator needed to make it pretty (ie, replace it with space or what you want). Also returns the season number or the year for the movie/series, depending on what was prev...
Submitted by
Firas Dib
-
10 years ago
(Last modified a year ago)
13
US Currency Format
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
1
2
3
...
900
Community Library Entry
0
Regular Expression
ECMAScript (JavaScript)
/
(?:
[
\(
]
)*
(
[
\d
]
{3,3}
)
(?:
[
\)\.\
]
)*
(
[
\d
]
{3,3}
)
(?:
[
\-\.
]
)*
(
[
\d
]
{4,4}
)
/
g
Open regex in editor
Description
An extremely complete regex, that...
Submitted by
@thegamerbr1
-
5 years ago