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Community Patterns
Search among 2,960 community submitted regex patterns...
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
-
a month ago
(Last modified a month 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
-
15 days ago
2
Regex tutorial
Java 8
Case insensitive match the whole word betwween \bword\b
Submitted by
anonymous
-
4 years ago
(Last modified a year ago)
2
Task 4 Quiz
PCRE2 (PHP >=7.3)
It needs a major modification, since matching an integer is required. The accepted answer \d+ involves only "positive" integers. But -333 or +777 are also integers, which leads to two possible solutions with the last one being the most accurate: -?\d+ : The hyphen (optional minus sign) and a digit ...
Submitted by
seQuienSoy
-
2 years ago
2
Mime type parser
.NET 7.0 (C#)
A "simple" regex to parse mime types. Handles all commonly occurring parts of a mime type string such as: Type Subtype Subtype's with an extra extension (e.g. svg+xml) (Optional input) Multiple parameters (Optional input)...
Submitted by
Vespion
-
a year ago
(Last modified a year 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
1
Matching decimals in european format (dot as grouping separator, comma as decimal separator)
Java 8
A regex for validating decimal numbers in the European number format (in many parts of Europe at least, including Germany). A comma is used as a separator for the decimal number, a dot as a separator for thousand places.
Submitted by
Florian Drees
-
3 years ago
(Last modified 3 years ago)
1
Test expression
PCRE2 (PHP >=7.3)
To find at most 3 a in string
Submitted by
anonymous
-
3 years ago
1
PHP North American Phone Number
PCRE2 (PHP >=7.3)
Format phone numbers to look nice! E.g. 12345678900 --> +1(234)-567-8900 Matches with most ways numbers are stored 1.234.567.8900 1 234 567 8900...
Submitted by
Mendel Groner
-
3 years ago
1
Password - mot de passe
PCRE2 (PHP >=7.3)
1 caractère minuscule minimum 1 caractère majuscule minimum 1 chiffre minimum 1 caractère spécial minimum pas d'espace 8 caractères minimum en tout
Submitted by
Sofiane
-
2 years ago
1
get video id from youtube link
Golang
no description available
Submitted by
RyuaNerin
-
8 years ago
(Last modified a year ago)
1
Chercher un Prénom ou un Nom
.NET 7.0 (C#)
no description available
Submitted by
anonymous
-
8 years ago
(Last modified a year ago)
1
Siebel Id
Golang
no description available
Submitted by
anonymous
-
8 years ago
1
Domain validation regex suitable for user input
Golang
This regexp can be used to validate domain names in Golang. While it cannot enforce the 253 character limit (with optional trailing period not included) that can be easily done by a simple len(domain) <= 253 check as well. This can be used as-is in other languages, even with RE2 regex engine. If po...
Submitted by
Alexander Dupuy
-
4 years ago
1
Word Wrap examples
PCRE2 (PHP >=7.3)
Four examples of word wrapping at the 80 character mark, each one taking fewer steps than the last. Comment and uncomment lines with # to see the difference between versions. Optimization discussions welcome!
Submitted by
OnlineCop
-
7 years ago
(Last modified 8 months ago)
1
Extract columns names from any select query
Golang
This regex can capture any column name from a select query. Be the original name, like are named on table, renamed with a reserved word AS or even without explicit AS. Go on, and test with your query ;)
Submitted by
Jefferson Gouveia
-
6 years ago
1
Regular expression for parsing VK.com links.
PCRE2 (PHP >=7.3)
no description available
Submitted by
ZKelo
-
5 years ago
(Last modified 2 years ago)
1
IPv4 private CIDR range RFC1918
Golang
Validates that you provide a CIDR in one of the following valid ranges. 0.0.0 – 127.255.255.255 127.0.0.0/8 0.0.0 – 10.255.255.255 10.0.0.0/8 16.0.0 – 172. 31.255.255 172.16.0.0/12 192.168.0.0 – 192.168.255.255 192.168.0.0/16...
Submitted by
David Stockton
-
4 years ago
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148
Email finder
1
Regular Expression
Java 8
"
(?im)
^
(?<c1>
\"
?
)
\w
+
(?:
[
\W&&
[^
@
]]
?
)
\w
+
\k<c1>
@
(?:
\[
?
(?:
\d
{3}
\.
?
){0,4}
\]
?
|
(?:
[
\w&&
[^
\d
]]
+
[
\.\-
]
?
)*
(?<=
\.
\w
{2,6}
)
)
$
"
g
Open regex in editor
Description
Matches with the valid email addresses.
Submitted by
anonymous
-
a year ago