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
Highest Score
Lowest Score
Most upvotes
Most downvotes
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 17,380 community submitted regex patterns...
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
-
3 hours ago
1
array() short syntax []
PCRE2 (PHP >=7.3)
In PHP scripts replace array() with short syntax []
Submitted by
papi Jo
-
4 hours ago
1
Krist name
PCRE2 (PHP >=7.3)
Krist name regex, also supporting metanames. Source
Submitted by
anonymous
-
4 hours ago
1
password
.NET 7.0 (C#)
password validator
Submitted by
anonymous
-
a day 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
-
a day 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
-
a day 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
-
2 days ago
(Last modified 2 days ago)
1
ايجاد كلمات و كلمات بعدها بعدد احرف معين
PCRE2 (PHP >=7.3)
Regex لدورة المدرسة
Submitted by
anonymous
-
3 days ago
1
ROW 7
PCRE2 (PHP >=7.3)
Match words containing "prostat" followed by 0 to 3 characters
Submitted by
RDD_DEP
-
3 days ago
(Last modified 3 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
-
4 days ago
(Last modified 4 days 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
-
7 days ago
1
Cisco DHCP Exclusions
PCRE2 (PHP >=7.3)
Find Cisco config DHCP exclisions
Submitted by
Justin Cooksey
-
7 days 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,
-
7 days ago
1
date
PCRE2 (PHP >=7.3)
date
Submitted by
anonymous
-
7 days ago
1
Cut Resource/File Path
PCRE2 (PHP >=7.3)
🔪 chop, chop, chop!
Submitted by
anonymous
-
8 days ago
(Last modified 6 days ago)
1
Entity framework mappers
.NET 7.0 (C#)
This expression converts a modelbuilder to an IEntityTypeConfiguration class. Useful for tidying up the result of a scaffold operation.
Submitted by
MK
-
8 days ago
(Last modified 8 days ago)
1
Non-repetitive set permutations
PCRE2 (PHP >=7.3)
Matches any non-repetitive permutations of characters in a set, separated by whitespaces. For the set of characters ABC: Matches: A, BAC, CA... Doesn't match: BB, ABA, CBD...
Submitted by
nuru
-
9 days ago
(Last modified 9 days ago)
1
sgalsant_ejercicio1
PCRE2 (PHP >=7.3)
selecciona todas las palabras relacionadas con "mundo"
Submitted by
santiago galván
-
11 days ago
(Last modified 11 days ago)
1
Date and age matcher
Python
matches strings like: "01/04/2023", "14/May/24" and "20" (age). WARNING: for american dates swap day and month! Groups: Date - the whole date Day - day Month - month...
Submitted by
OlgPok
-
12 days ago
(Last modified 12 days ago)
1
resolves bug in vscode extension plibither8.remove-comments v1.2.2, see https://regex101.com/r/1M3UCa/1
PCRE2 (PHP >=7.3)
resolves bug in vscode extension plibither8.remove-comments v1.2.2, see https://regex101.com/r/1M3UCa/1
Submitted by
anonymous
-
12 days ago
1
2
3
...
869
DD/MM/YYYY Date with leap years
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
-
2 months ago