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
Most upvotes
Most downvotes
Highest Score
Lowest Score
Filter by Flavor
PCRE2 (PHP >=7.3)
PCRE (PHP <7.3)
ECMAScript (JavaScript)
Python
Golang
Java 8
.NET 7.0 (C#)
Rust
Sponsors
There are currently no sponsors.
Become a sponsor today!
Community Patterns
Search among 18,000 community submitted regex patterns...
1
Tac Tac Tic
PCRE2 (PHP >=7.3)
Only accepts a new `tic if there are two tac` before it.
Submitted by
@roshankumar350
-
5 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
-
5 months ago
(Last modified 5 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
-
6 months ago
1
Match all PHP function or method calls including inside the opening and closing curly braces/brackets
PCRE2 (PHP >=7.3)
Capture PHP Function/Class Methods Use regular expression to capture the whole method/function. Parse static PHP code for functions and class methods. Useful for getting tokens and possibly use to generate a Call-Graph for debugging.
Submitted by
chipgraphics#gmail.com
-
6 months ago
1
Distinguish torrent files (series vs movies) with episode numbers
Python
a modified verison of this awesome regex https://regex101.com/library/yP4bY4 by author firas dib that includes a capture group for episode numbers in addition to season numbers.
Submitted by
SethMacKayChandler
-
6 months ago
(Last modified 6 months ago)
1
Krist name or address
PCRE2 (PHP >=7.3)
Krist name or address regex, where names also support metanames. Source 1 Source 2
Submitted by
anonymous
-
6 months ago
1
array() short syntax []
PCRE2 (PHP >=7.3)
In PHP scripts replace array() with short syntax []
Submitted by
papi Jo
-
6 months ago
1
Krist name
PCRE2 (PHP >=7.3)
Krist name regex, also supporting metanames. Source
Submitted by
anonymous
-
6 months ago
1
password
.NET 7.0 (C#)
password validator
Submitted by
anonymous
-
6 months ago
1
Invalid HTML Attribute (Strict)
ECMAScript (JavaScript)
This version of the regex is less permissive than the w3c documentation.. It matches only the common attribute syntax.
Submitted by
bye-csavier
-
6 months ago
1
Invalid HTML Attribute (Permissive)
ECMAScript (JavaScript)
This regex is based on the specifications in the w3c documentation. The rules are* very permissive, and some* of this characters actually lead to errors in browsers.
Submitted by
bye-csavier
-
6 months ago
1
Invalid CSS Class
ECMAScript (JavaScript)
Checks if the syntax of the passed string would be a valid css class.
Submitted by
bye-csavier
-
6 months ago
(Last modified 6 months ago)
1
ايجاد كلمات و كلمات بعدها بعدد احرف معين
PCRE2 (PHP >=7.3)
Regex لدورة المدرسة
Submitted by
anonymous
-
6 months ago
1
ROW 7
PCRE2 (PHP >=7.3)
Match words containing "prostat" followed by 0 to 3 characters
Submitted by
RDD_DEP
-
6 months ago
(Last modified 6 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
-
6 months ago
(Last modified 6 months ago)
1
Cisco DHCP Pools
PCRE2 (PHP >=7.3)
Cisco config find each DHCP Pool Either full subnet pool or a static device entry pool
Submitted by
Justin Cooksey
-
6 months ago
1
Cisco DHCP Exclusions
PCRE2 (PHP >=7.3)
Find Cisco config DHCP exclisions
Submitted by
Justin Cooksey
-
6 months ago
1
US Phone Number Validation
PCRE2 (PHP >=7.3)
Captures every kind of US format I can think of (e.g +1999-999-999, 999-999-9999, +1(999) 999-9999, etc). Remove first coupling group if you don't want a country code.
Submitted by
Kayla B,
-
6 months ago
1
date
PCRE2 (PHP >=7.3)
date
Submitted by
anonymous
-
6 months ago
1
Cut Resource/File Path
PCRE2 (PHP >=7.3)
🔪 chop, chop, chop!
Submitted by
anonymous
-
6 months ago
(Last modified 6 months ago)
1
...
19
20
21
22
23
...
900
Community Library Entry
1
Regular Expression
Python
r"
\b
(?P<date>
(?P<day>
(?:
(?:
0
[
1
-
9
]
|
[
12
]
\d
|
30
)
(?=
[
-
:
\.\/
]
(?:
04
|
06
|
09
|
11
))
)
|
(?:
(?:
0
[
1
-
9
]
|
[
12
]
\d
|
3
[
01
]
)
(?=
[
-
:
\.\/
]
(?:
01
|
03
|
05
|
07
|
08
|
10
|
12
))
)
|
(?:
(?:
0
[
1
-
9
]
|
[
12
]
\d
)
(?=
[
-
:
\.\/
]
02
[
-
:
\.\/
]
\d\d
(?:(
[
02468
]
[
048
]
)|
(
[
13579
]
[
26
]
)))
(?!
[
-
:
\.\/
]
02
[
-
:
\.\/
]
(?:(
[
2468
]
[
1235679
]
)|
(
[
13579
]
[
01345789
]
)
00
))
)
|
(?:
(?:
0
[
1
-
9
]
|
1
\d
|
2
[
0
-
8
]
)
(?=
[
-
:
\.\/
]
02
[
-
:
\.\/
]
)
)
)
[
-
:
\.\/
]
(?P<month>
0
[
1
-
9
]
|
1
[
012
]
)
[
-
:
\.\/
]
(?P<year>
[
1
-
9
]
\d
{3}
)
)
\b
"
gmx
Open regex in editor
Description
1000-9999 years '-', ' ', ':', '.', or '/' may be user as divider
Submitted by
furren
-
7 months ago