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Expressions
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PCRE (PHP <7.3)
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Search among 12,660 community submitted regex patterns...
17
20 upvotes, 3 downvotes (score 74.7%) (You must be signed in to vote)
Cron schedule
Recommended
This entry has been specifically selected by our team to be a great submission
PCRE (PHP <7.3)
Validate cron lines (even the ones commented out)
Submitted by
anonymous
-
7 years ago
2016-06-02 15:45
21
24 upvotes, 3 downvotes (score 71.9%) (You must be signed in to vote)
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
-
9 years ago
2015-01-23 16:47
(Last modified 3 months ago)
2023-07-19 08:36
12
14 upvotes, 2 downvotes (score 70.4%) (You must be signed in to vote)
RFC3339 DateTime
Recommended
This entry has been specifically selected by our team to be a great submission
PCRE (PHP <7.3)
Validates a RFC3339 DateTime format. Does not validates the Data
Submitted by
anonymous
-
8 years ago
2016-02-12 11:44
17
22 upvotes, 5 downvotes (score 69.6%) (You must be signed in to vote)
Email (RFC2822)
Recommended
This entry has been specifically selected by our team to be a great submission
ECMAScript (JavaScript)
Email address compliant with RFC2822
Submitted by
Jago
-
8 years ago
2015-07-01 09:31
8
8 upvotes, 0 downvotes (score 67.6%) (You must be signed in to vote)
Fiddler raw body to PHP array
PCRE (PHP <7.3)
no description available
Submitted by
garsax
-
8 years ago
2016-02-20 19:43
8
8 upvotes, 0 downvotes (score 67.6%) (You must be signed in to vote)
Conventional Commits validation
PCRE (PHP <7.3)
This regex prevents the writing of non-standard conventional commits. I'm available on my github
Submitted by
Krisque
-
2 years ago
2022-01-03 20:30
(Last modified 2 months ago)
2023-07-22 19:26
14
16 upvotes, 2 downvotes (score 67.2%) (You must be signed in to vote)
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
-
6 years ago
2018-01-31 01:03
(Last modified 2 months ago)
2023-07-19 15:28
10
11 upvotes, 1 downvotes (score 64.6%) (You must be signed in to vote)
UUID
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
2014-12-01 17:13
7
7 upvotes, 0 downvotes (score 64.6%) (You must be signed in to vote)
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/
-
5 years ago
2019-03-17 21:49
(Last modified 2 months ago)
2023-07-27 21:03
9
10 upvotes, 1 downvotes (score 62.3%) (You must be signed in to vote)
youtube url match
ECMAScript (JavaScript)
extract video id, index, play list id from youtube url
Submitted by
anonymous
-
8 years ago
2015-08-19 03:04
5
5 upvotes, 0 downvotes (score 62.2%) (You must be signed in to vote)
best youtube id match ( iframe embed replace ready )
Recommended
This entry has been specifically selected by our team to be a great submission
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
-
5 years ago
2019-03-12 16:17
22
34 upvotes, 12 downvotes (score 59.7%) (You must be signed in to vote)
grab valid css rules and properties
ECMAScript (JavaScript)
no description available
Submitted by
Pavel Dominguez
-
8 years ago
2015-06-03 19:17
8
9 upvotes, 1 downvotes (score 59.6%) (You must be signed in to vote)
IPv4 Validator
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
3 years ago
2020-07-26 21:19
(Last modified 2 months ago)
2023-08-07 17:36
11
14 upvotes, 3 downvotes (score 59%) (You must be signed in to vote)
remove comments from php code
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
2015-05-26 15:18
9
11 upvotes, 2 downvotes (score 57.8%) (You must be signed in to vote)
Fixo LDN CSP e SEM CSP
PCRE (PHP <7.3)
no description available
Submitted by
Marcos Müller
-
9 years ago
2014-11-18 14:02
483
1566 upvotes, 1083 downvotes (score 57.2%) (You must be signed in to vote)
regex101.com id grabber
PCRE (PHP <7.3)
grabs the ID for the regex101.com permalink to code
Submitted by
chris mccoy
-
10 years ago
2013-12-12 13:09
(Last modified 2 months ago)
2023-07-19 16:25
13
24 upvotes, 11 downvotes (score 57.2%) (You must be signed in to vote)
Match Gmail Email
Recommended
This entry has been specifically selected by our team to be a great submission
PCRE (PHP <7.3)
Match Gmail Email
Submitted by
Óscar EnrÃquez
-
9 years ago
2014-11-20 23:58
236
717 upvotes, 481 downvotes (score 57%) (You must be signed in to vote)
Matching email addresses per RFC5322
PCRE (PHP <7.3)
The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.
Submitted by
Michael Musson
-
10 years ago
2013-10-23 17:46
10
13 upvotes, 3 downvotes (score 57%) (You must be signed in to vote)
MikroTik FireWall
PCRE (PHP <7.3)
Regex used in Splunk to extract fields from Mikrotik FW. NOTES: Mikrotik must be configured to use "BSD Syslog" format FW rules must add, as log prefix, the action: drop accep...
Submitted by
HappyIdeasMaker
-
8 years ago
2015-05-30 10:27
13
19 upvotes, 6 downvotes (score 56.6%) (You must be signed in to vote)
us postal/zip
ECMAScript (JavaScript)
no description available
Submitted by
jay johnson
-
10 years ago
2014-01-13 22:15
1
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633
URL regexp
40
325 upvotes, 285 downvotes (score 49.3%) (You must be signed in to vote)
Regular Expression
PCRE (PHP <7.3)
/
(
(
(
[
A
-
Za
-
z
]
{3,9}
:
(?:
\/\/
)?
)
(?:
[
-;:&=
\+\$
,
\w
]
+
@
)?
[
A
-
Za
-
z0
-
9.-
]
+
|
(?:
www
.
|
[
-;:&=
\+\$
,
\w
]
+
@
)
[
A
-
Za
-
z0
-
9.-
]
+
)
(
(?:
\/
[
\+
~%
\/
.
\w
-_
]
*
)?
\?
?
(?:
[
-
\+
=&;%@.
\w
_
]
*
)
#
?
(?:
[
.
\!\/\\
w
]
*
)
)?
)
/
ig
Open regex in editor
Description
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Submitted by
Matthew O'Riordan
-
11 years ago
2013-01-14 17:52