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 12,620 community submitted regex patterns...
0
match
ECMAScript (JavaScript)
ádf
Submitted by
anonymous
-
3 years ago
0
fopen
ECMAScript (JavaScript)
asdf
Submitted by
anonymous
-
3 years ago
0
model value
PCRE (PHP <7.3)
for Levi
Submitted by
anonymous
-
3 years ago
(Last modified 3 years ago)
0
Instagram URL
PCRE (PHP <7.3)
For instagram URLs. Updated with latest Domain names
Submitted by
Suraj Shah
-
3 years ago
0
How to find the nth occurrence of a pattern date
PCRE (PHP <7.3)
This is a very useful pattern to find Nth occurency of a data in this format dd/mm/yyyy but can be abstracted for other situations
Submitted by
Mauro99
-
3 years ago
0
regexSecretWord
ECMAScript (JavaScript)
regSW
Submitted by
anonymous
-
3 years ago
0
Lookup for a duplicated set of characters {2,} (Two or more)
ECMAScript (JavaScript)
Lookup if a set of two or more characters show up again in the string. For JavaScript ECMAScript
Submitted by
rdmoedas
-
3 years ago
0
Mayne Way Entertainment
PCRE (PHP <7.3)
Your WhatsApp Business code 811-007 You can also tap this link https://www.maynewayent.com
Submitted by
Lahyan Djeh
-
3 years ago
0
VBScript Sub Routine Signature Extract
ECMAScript (JavaScript)
Extract signature of the sub routine in Vbscript
Submitted by
Praveen Kumar Nandagiri
-
3 years ago
0
Vbscript Function Signature Extract
ECMAScript (JavaScript)
Extract Function signature from vbscript using javascript style regex
Submitted by
Praveen Kumar Nandagiri
-
3 years ago
0
Vbscript Class Property Signature extract
ECMAScript (JavaScript)
Extract property signature from vbscript
Submitted by
Praveen Kumar Nandagiri
-
3 years ago
0
Otp Extraction
PCRE (PHP <7.3)
It will used for otp extraction from sms
Submitted by
anonymous
-
3 years ago
0
HL7 Locate message using fields from two segments.
ECMAScript (JavaScript)
This regex uses non capturing groups to start the match on the first field and then continue to match second field. SEGMENT\|(?:\|){}\|(?:\|){} SEGMENT is the first segment that has field to match on is the zero based count of the field in first segment...
Submitted by
Jo5eph
-
3 years ago
0
IPv6 & IPv4 checker (Typescript compatible)
ECMAScript (JavaScript)
const ipAddressRegexp = /((^\s((([0-9]|1-9|1[0-9]{2}|20-4|25[0-5])\.){3}([0-9]|1-9|1[0-9]{2}|20-4|25[0-5]))\s$)|(^\s((([0-9a-f]{1,4}:){7}([0-9a-f]{1,4}|:))|(([0-9a-f]{1,4}:){6}(:[0-9a-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9a-f]{1,4}:){5}(((:[0-9...
Submitted by
proddy
-
3 years ago
(Last modified 3 years ago)
0
catch url
PCRE (PHP <7.3)
Matches almost all url
Submitted by
anonymous
-
3 years ago
0
HTML code to HTML entity
PCRE (PHP <7.3)
Quick basic match for the conversion of an html code for the registered symbol to an html entity
Submitted by
Matthew Baker
-
3 years ago
0
Replace Percentage with dot, for comma and remove percent symbol
PCRE (PHP <7.3)
Substituir uma porcentagem "3.78%" por "3,78"
Submitted by
anonymous
-
3 years ago
0
Numbers in Sequence
ECMAScript (JavaScript)
Checks string for numbers in sequence. Ex: 123, test345
Submitted by
anonymous
-
3 years ago
0
Reddit video url
ECMAScript (JavaScript)
Matches Reddit video URLs to allow you to replace part of it to get the video's audio URL
Submitted by
anonymous
-
3 years ago
0
test
ECMAScript (JavaScript)
test
Submitted by
anonymous
-
3 years ago
1
...
594
595
596
597
598
...
631
docker image tag name
0
Regular Expression
ECMAScript (JavaScript)
/
^
(?:
(?=
[^
:
\/
]
{4,253}
)
(?!
-
)
[
a
-
zA
-
Z0
-
9-
]
{1,63}
(?<!
-
)
(?:
\.
(?!
-
)
[
a
-
zA
-
Z0
-
9-
]
{1,63}
(?<!
-
)
)*
(?:
:
[
0
-
9
]
{1,5}
)?
\/
)?
(
(?!
[
._-
]
)
(?:
[
a
-
z0
-
9._-
]
*
)
(?<!
[
._-
]
)
(?:
\/
(?!
[
._-
]
)
[
a
-
z0
-
9._-
]
*
(?<!
[
._-
]
)
)*
)
(?:
:
(?!
[
.-
]
)
[
a
-
zA
-
Z0
-
9_.-
]
{1,128}
)?
$
/
Open regex in editor
Description
javascript regex for docker image tag name from
doc
Submitted by
ahmad safari
-
2 years ago