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
Highest Score
Lowest Score
Most upvotes
Most downvotes
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
Community Patterns
Search among 3,700 community submitted regex patterns...
0
篩選MP Log Day
.NET 7.0 (C#)
篩選MP Log Day
Submitted by
anonymous
-
2 years ago
0
Website Regex
ECMAScript (JavaScript)
Finds all website URLs
Submitted by
JohnnyJTH
-
2 years ago
0
find email addresses
Golang
find email addresses
Submitted by
anon
-
2 years ago
(Last modified 2 years ago)
0
get teacher url
ECMAScript (JavaScript)
will match ^/teacher//list$ ^/teacher//file/$ ^/teacher//info/$ ...
Submitted by
anonymous
-
2 years ago
0
Clean phone numbers
ECMAScript (JavaScript)
(204)555-5555 (204)-(555)-(5555) 204-555-5555 To: 2045555555
Submitted by
smitpatelx
-
2 years ago
0
cri logfmt
Golang
The CRI expr will match and parse log lines of this format: 2019-01-01T01:00:00.000000001Z stderr P some log message `
Submitted by
east4ming
-
2 years ago
0
Default HTML5 with German Umlauts
ECMAScript (JavaScript)
Adds german special characters äöüß to the default HTML5 regex
Submitted by
mroettgen
-
2 years ago
0
JavaScript Parse CSS Selector
ECMAScript (JavaScript)
Parse CSS Selector in the form element#id.class into its components. Any of the three elements can be missing.
Submitted by
Mark
-
2 years ago
0
Get First Name
ECMAScript (JavaScript)
Grab a first name from a full name string
Submitted by
Tom
-
2 years ago
0
RGB 256 Function Notation
ECMAScript (JavaScript)
Standardized RGB 256 Notation for CSS Functions. For Example: const str = "255, 255, 255"; // Match const str = "0, 10, 200"; // Match...
Submitted by
anonymous
-
2 years ago
0
ipv4
ECMAScript (JavaScript)
IPv4 string check in JavaScript RegEx
Submitted by
clarkttfu@gmail.com
-
2 years ago
0
Jira issue number
Golang
Matches and catches Jira issue number
Submitted by
anonymous
-
2 years ago
0
AWS SSM Cron Schedule Matcher
ECMAScript (JavaScript)
Matches the expression inside the "cron()" expression of a SSM Window.
Submitted by
Jean Nussenzveig
-
2 years ago
0
Missing copyright detector for Visual Studio (.NET)
.NET 7.0 (C#)
Detects one match per file if that file is missing the expected copyright text. This works with Visual Studio IDE. If you are using Rider (PCRE2), you can replace both \b entries with \Q then \E
Submitted by
Kris Morness
-
2 years ago
0
Golang Docker matcher
Golang
Used by me for docker-retagger
Submitted by
Roman Minebaev
-
2 years ago
0
Architectural CSI (Construction specifications institute)
ECMAScript (JavaScript)
CSI is a documentation standard for Architectural buildings and specifications in construciton. Tihs matches the code based on the typical patterns in ues and returns the Number and the description if it iexists. May need retooling for Autodesk Model checker.
Submitted by
Ron Allen 2022
-
2 years ago
0
E-mail
.NET 7.0 (C#)
My first simple e-mail validator regex :)
Submitted by
anonymous
-
2 years ago
0
INSEE code for french municipalities
ECMAScript (JavaScript)
This is a regex that allows you to match INSEE codes for a french municipality. It is different from a french postal code, because it can have "A" or "B" in its second character, used in codes for cities located in Corse. Example: 2A004 for Ajaccio. ...
Submitted by
thomasdom
-
2 years ago
(Last modified 2 years ago)
0
Email regex
ECMAScript (JavaScript)
email regex with subdomain
Submitted by
anonymous
-
2 years ago
0
File Size Parsing Pattern
ECMAScript (JavaScript)
Purpose This pattern is used to parse human readable text strings regarding file sizes. The pattern names four capture groups in the string for the following purposes: ...
Submitted by
Vincent Engler
-
2 years ago
(Last modified 11 days ago)
1
...
163
164
165
166
167
...
185
Passwords
-1
Regular Expression
ECMAScript (JavaScript)
/
^
(?=
.
*
[
A
-
Z
]
)
(?=
.
*
[
a
-
z
]
)
(?=
.
*
\d
)
[
A
-
Za
-
z
\d
$@$#!%*?&.
]
{5,
20}
/
Open regex in editor
Description
no description available
Submitted by
anonymous
-
7 years ago