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Community Patterns
Search among 3,300 community submitted regex patterns...
2
Get ip address (only ipv4) Validator
.NET 7.0 (C#)
Get ip address (only ipv4) Validator
Submitted by
Mr.Tang
-
2 years ago
(Last modified 2 years ago)
2
Aus Mobile number
.NET 7.0 (C#)
validates against multiple common formats
Submitted by
anonymous
-
2 years ago
2
Discord Username (old & new)
PCRE2 (PHP >=7.3)
Accomodate for Discord's username changeover and match against either the old username or the new username. But only one or the other. Match: CesarHvl#9000 cesarhvl cesar.hvl...
Submitted by
cesarhvl
-
a year ago
2
URL Regex
.NET 7.0 (C#)
Matches protocol, domain, port, path, query and anchor as named capturing groups.
Submitted by
Jonathan
-
a year ago
(Last modified a year ago)
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
Mikrotik firewall logs
Golang
Matching for mikrotik ROS 7 Used in promtail and grafana
Submitted by
anonymous
-
a year ago
(Last modified 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
-
a year 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>
-
a year ago
(Last modified a year ago)
2
ROM naming scheme
PCRE2 (PHP >=7.3)
this is some cursed shit, but it does work. I use it to check whether all my ROMs have valid names or not. Makes it easier to read and, more importantly, deduplicate.
Submitted by
Riedler
-
7 months ago
(Last modified 25 days 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
-
7 months ago
(Last modified 7 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
-
7 months 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
-
7 months ago
(Last modified 7 months ago)
2
unicode
PCRE2 (PHP >=7.3)
uncode word boundaries
Submitted by
Mehmet Kozan
-
7 months ago
2
Test 1 solution
PCRE2 (PHP >=7.3)
thanks
Submitted by
Zeeble Dorp
-
6 months ago
2
\tilde \alpha
PCRE2 (PHP >=7.3)
\tilde \alpha
Submitted by
anonymous
-
6 months ago
2
tst
PCRE2 (PHP >=7.3)
test
Submitted by
anonymous
-
5 months ago
2
Command line parser
.NET 7.0 (C#)
Supports parameters such as keys and values, also parameters enclosed in quotes.
Submitted by
Pavel Bashkardin
-
4 months ago
(Last modified 4 months ago)
2
Quiz_1
PCRE2 (PHP >=7.3)
Check if a string contains the word word in it (case insensitive). If you have no idea, I guess you could try /word/.
Submitted by
anonymous
-
2 months ago
2
Quiz_17_Start_before_end
PCRE2 (PHP >=7.3)
Only match lines with the text start, unless text end appears prior to start. Note: end may or may not be in the string. Match start line_end; and don't match line_end; start
Submitted by
anonymous
-
2 months ago
2
Quiz_16_Repeated_Words
PCRE2 (PHP >=7.3)
I'd like to know if a text contains words with 4 characters or more which are repeated 3 or more times in the text (anywhere in the text). If so, set one (and only one) backreference for each word.
Submitted by
anonymous
-
2 months ago
1
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Community Library Entry
5
Regular Expression
PCRE2 (PHP >=7.3)
/
(?:
http
[
s
]
?
:
\/\/
.
)?
(?:
www
\.
)?
[
-a
-
zA
-
Z0
-
9@%._
\+
~#=
]
{2,256}
\.
[
a
-
z
]
{2,6}
\b
(?:
[
-a
-
zA
-
Z0
-
9@:%_
\+
.~#?&
\/\/
=
]
*
)
/
gm
Open regex in editor
Description
Match any url in text or html (http, https)
Submitted by
Jérémy Munsch
-
3 years ago