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
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 9,540 community submitted regex patterns...
0
NDC
.NET 7.0 (C#)
parses all valid NDC codes with or without hyphens
Submitted by
joe.cox@fortyau.com
-
2 years ago
0
Detect space kernel between characters
PCRE (PHP <7.3)
Detect space kernel between characters
Submitted by
anonymous
-
2 years ago
0
Delete spaces between words only
PCRE (PHP <7.3)
Delete spaces between words only
Submitted by
anonymous
-
2 years ago
(Last modified 2 years ago)
0
Delete spaces at beginning or end of a string
PCRE (PHP <7.3)
Delete spaces at beginning or end of a string
Submitted by
anonymous
-
2 years ago
0
Migrate infoboxes in AWB: Music phase 1
.NET 7.0 (C#)
Turn comma separated values in three deprecated parameters into template calls. (timestamp not considered yet)
Submitted by
anonymous
-
2 years ago
0
Migrate infoboxes in AWB: Music phase 3
.NET 7.0 (C#)
Insert "|tracks=" before the first occurrence
Submitted by
anonymous
-
2 years ago
0
Migrate infoboxes in AWB: Music phase 2
.NET 7.0 (C#)
Remove deprecated parameters
Submitted by
anonymous
-
2 years ago
0
篩選MP Log Day
.NET 7.0 (C#)
篩選MP Log Day
Submitted by
anonymous
-
2 years ago
0
password strong
PCRE (PHP <7.3)
password 8-16 with A-Z a-z 0-9 and !@#$ without %
Submitted by
alfxjx
-
2 years ago
0
find email addresses
Golang
find email addresses
Submitted by
anon
-
2 years ago
(Last modified 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
Find next valid markup element of XML content
PCRE (PHP <7.3)
I created the regexp using the XML-specificaton (https://www.w3.org/TR/xml), but in a simplified format (for example allowing only a narrowed set of tag-name characters). The regular expression is a recursive regexp with backreference. I do not tested extensively the regex with a regex-directed engi...
Submitted by
GyRos
-
2 years ago
0
Jira issue number
Golang
Matches and catches Jira issue number
Submitted by
anonymous
-
2 years ago
0
lower case alpha and number
PCRE (PHP <7.3)
lower case alpha and number
Submitted by
anonymous
-
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
E-mail
.NET 7.0 (C#)
My first simple e-mail validator regex :)
Submitted by
anonymous
-
2 years ago
0
basic gitlab rule for job to not be runned automaticaly for specific branch
PCRE (PHP <7.3)
rules: if: '$CI_COMMIT_BRANCH !~ /^release|hotfix|$CI_DEFAULT_BRANCH\/.*$/' when: manual allow_failure: true when: always `
Submitted by
Kramtoske
-
2 years ago
0
Time in hh:mm:ss
PCRE (PHP <7.3)
19h32min16s
Submitted by
anonymous
-
2 years ago
0
String length pattern
Golang
Simple search of string length with the regexp
Submitted by
anonymous
-
2 years ago
1
...
465
466
467
468
469
...
477
Youtube Video Id
0
Regular Expression
.NET 7.0 (C#)
@"
(?<=
v
\\
u003d
)
(
[
a
-
zA
-
Z0
-
9-
]
*
)
"
gm
Open regex in editor
Description
Matches the video Id in Youtube URL.
Submitted by
CW
-
a year ago