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Community Patterns
Search among 13,980 community submitted regex patterns...
2
IDN Domains and Subdomains
PCRE2 (PHP >=7.3)
IDN Domains & Normal Domains This regex is able to identify any type of domain or subdomain whether it is IDN or normal, this includes domains in emojis, non-Latin characters, etc.
Submitted by
NCK
-
a year ago
2
regex101: RFC1918 Private IPv4 Addresses, but limited to matching /24 subnet host IDs
PCRE2 (PHP >=7.3)
POSIX ERE compatible, suitable for usage in Bash [ testing Attributions Derived from [regex101: RFC1918 - Private IPv4 addresses by 0100101101001.
Submitted by
anonymous
-
10 months ago
2
Invalid Windows Filename Chars
PCRE (PHP <7.3)
https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file Integer value zero, sometimes referred to as the ASCII NUL character. Characters whose integer representations are in the range from 1 through 31, except for alternate data streams where these characters are allowed. For more info...
Submitted by
anonymous
-
10 months ago
(Last modified 10 months ago)
2
Check Email Validity
Java 8
Regular expression to check the email syntax validity. Certainly requires improvement, but it's a good basis to work from. Work with Java and JavaScript.
Submitted by
Alain TOMASIAN <alain.tomasian@kaptus.fr>
-
7 months ago
(Last modified 7 months ago)
2
RFC822 Date Format
PCRE2 (PHP >=7.3)
Test your RSS pubDate has a correctly formatted date value according to the RFC822 standard It will match timeZoneName (eg GMT, EST) or time zone offset (eg. +0100)
Submitted by
anonymous
-
2 months ago
(Last modified 2 months ago)
2
Journalctl
PCRE2 (PHP >=7.3)
This was build on gentoo with english_ca.utf8 IIRC. Might not work for other distros... or locales supports -as the delimiter of hostname suffixing/prefixing
Submitted by
Wolf1098
-
a month ago
2
Parse Excel CSV data
PCRE2 (PHP >=7.3)
This is the best regex I found that was able to correctly parse cells containing multiple lines (hard line breaks). Low number of steps with sufficient speed, and it doesn't require /x option either. Source: https://gist.github.com/awwsmm/886ac0ce0cef517ad7092915f708175f
Submitted by
thdoan
-
a month ago
(Last modified a month ago)
2
Test 1 solution
PCRE2 (PHP >=7.3)
thanks
Submitted by
Zeeble Dorp
-
a month ago
3
Match quoted strings, ignoring escaped quotes
PCRE (PHP <7.3)
Matches single or double quoted strings, and ignores backslash-escaped quotes within the string.
Submitted by
Maddingue
-
11 years ago
3
Prime number regex
PCRE (PHP <7.3)
no description available
Submitted by
originally "Abigail", comp.lang.perl.misc
-
11 years ago
3
SQL select columns
PCRE (PHP <7.3)
no description available
Submitted by
Phan
-
11 years ago
3
Get Nth value (3 times)
PCRE (PHP <7.3)
capture Nth character from string, 3 times
Submitted by
K.
-
11 years ago
3
date time
Python
1/Jul/2013 03:27:12
Submitted by
himel
-
10 years ago
3
Task 2, part 1
PCRE (PHP <7.3)
Finds all source numbers in square brackets
Submitted by
Kovalev Evgeny
-
10 years ago
3
split URL into location-resource-params
PCRE (PHP <7.3)
Extract resource location, name and query parameters from a URL
Submitted by
cebence
-
10 years ago
3
how to match both lines?
Python
f_name may contain spaces, numbers, characters,... so I would go for a but then I couldn't use [...]? anymore to match the second line?
Submitted by
anonymous
-
10 years ago
3
Find URLs in markdown where the lines have been wrapped
Python
no description available
Submitted by
anonymous
-
10 years ago
3
xferlog parser (proftpd, ftpd, vsftpd, etc..)
PCRE (PHP <7.3)
This pulls out all the fields from a standard xferlog format log. Format specified here http://www.castaglia.org/proftpd/doc/xferlog.html
Submitted by
Robin Kearney
-
10 years ago
3
UUID
PCRE (PHP <7.3)
no description available
Submitted by
Jason
-
10 years ago
3
Finds dates lacking period before month (Norwegian)
PCRE (PHP <7.3)
no description available
Submitted by
EB
-
10 years ago
1
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699
URL regexp
40
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
A quite neat regular expression for URLs, e-mails..., I found on Matthew O'Riordan's blog.
Submitted by
Matthew O'Riordan
-
11 years ago