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 18,040 community submitted regex patterns...
0
CentraSite servicenames and descriptions matching
ECMAScript (JavaScript)
work in progress.
Submitted by
d.fernandes
-
6 years ago
0
CentraSite - match uddi keys
ECMAScript (JavaScript)
Matching CentraSite registry keys (uddi) Matches output with prefix (uddi:) Matches output without prefix does not match to service names and descriptions
Submitted by
d.fernandes
-
6 years ago
0
Negative Lookahead (?!)
PCRE (PHP <7.3)
Selects box only if what comes after is NOT -shadow
Submitted by
anonymous
-
6 years ago
0
Positive Lookahead box(?=-shadow)
PCRE (PHP <7.3)
Simple positive Lookahead - Select 'box' only if what comes after is '-shadow' See this youtube https://youtu.be/aIEjh0YsxWA?t=228
Submitted by
anonymous
-
6 years ago
0
Positive Lookbehind (?<=jeffery@).+
PCRE (PHP <7.3)
Simple Positive Lookbehind - only selects what is after the @ IF what comes before IS 'jeffery' Based on this (awesome) guys https://youtu.be/aIEjh0YsxWA?t=228
Submitted by
anonymous
-
6 years ago
0
Negative Lookbehind (?<!jeffery)@.+
PCRE (PHP <7.3)
Simple lookbehind - only selects what is after the @ IF what comes before is NOT 'jeffery' From this guys video https://www.youtube.com/watch?v=aIEjh0YsxWA&t=1s
Submitted by
anonymous
-
6 years ago
0
Find bash function
PCRE (PHP <7.3)
Useful for Visual Code Studio (Show Functions extension)
Submitted by
anonymous
-
6 years ago
0
Most Common Email Verification
PCRE (PHP <7.3)
Simple Regex that matches most emails
Submitted by
anonymous
-
6 years ago
0
Unix/Linux file extension (empty when file have no extension)
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
eventlog reasons regex - 2
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
CV1234/20Jan2018
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
FI-Email
ECMAScript (JavaScript)
Fleet Insight Email RegEx
Submitted by
anonymous
-
6 years ago
0
Phone Number check format
ECMAScript (JavaScript)
Allows optional variation in spaces and dashes and brackets as well as international numbers
Submitted by
anonymous
-
6 years ago
0
Event reasons including invalid
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
iepigraphs
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Babiš
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Dynamic Search Extra param
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
6 years ago
0
Metadata tag find and update
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
0
Filename.extention
ECMAScript (JavaScript)
One match
Submitted by
https://stackoverflow.com/questions/4549654/get-filename-from-url-using-regular-expressions-or-javascript
-
6 years ago
0
RDJ: MP3 ID
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
6 years ago
1
...
513
514
515
516
517
...
902
Community Library Entry
0
Regular Expression
Python
r"
^\d
{4}
\s
?
[
A
-
Z
]
{2}
$
"
gm
Open regex in editor
Description
This identifies whether a postcode (four numbers, two letters has been provided)
Submitted by
anonymous
-
2 years ago