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 2,640 community submitted regex patterns...
0
sentence with colon regex
Python
[\S\w]+\s?:\s?[\S▁]+
Submitted by
wb
-
2 years ago
0
CPF Number Repetition
Java 8
It matches CPF (Cadastro de Pessoa Física) with all digits as the same number. Since CPF consists in a pattern ###.###.###-##, or ###########, and # being a single digit, this document cannot have all the 11 (eleven) digits as the same number. Therefore 000.000.000.000-00 would not be an example o...
Submitted by
TheRockSaysOP
-
2 years ago
(Last modified 2 years ago)
0
Name RegEx
Python
Separate first and last names. Capitalization matters. Ignore middle initials but allow middle names. Multiple last names may be mistaken for middle names. Groups could be changed to capture middle names separately, middle initials, etc.
Submitted by
anonymous
-
2 years ago
0
Get ip address (only ipv6) Validator
.NET 7.0 (C#)
Get ip address (only ipv6) Validator
Submitted by
Mr.Tang
-
2 years ago
(Last modified 2 years ago)
0
match html reg
Python
match html reg
Submitted by
anonymous
-
2 years ago
0
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)
0
match name and surname in a name.surname@domain.com email.
Java 8
This will match any words that show up before the @ sign in an email. Digits, dots, commasz and other special characters are ignored.
Submitted by
WojciechW
-
2 years ago
0
Function call capture group
Python
Function call capture group
Submitted by
anonymous
-
2 years ago
0
简单日志匹配
Java 8
普通日志匹配, 匹配出字段: [time, level, logClass, content]
Submitted by
qinxike
-
2 years ago
0
Valid date (DD-MM-YYYY) from 1900 to 2099
Java 8
Valid date (DD-MM-YYYY) from 1900 to 2099
Submitted by
Nevix-Sama
-
2 years ago
0
vishnu
Python
log regex
Submitted by
vishnu kendre
-
2 years ago
0
Photos18 Url Matcher
Python
A regex to match photos18 urls
Submitted by
anonymous
-
2 years ago
0
Match IPv4 with CIDR mask
Python
Parses data to match IPv4 addresses along with CIDR mask.
Submitted by
anonymous
-
2 years ago
0
在特定位置替换字符
Python
1
Submitted by
anonymous
-
2 years ago
0
group_path
Python
In my small application we you can give groups matching this expression
Submitted by
shoneg
-
2 years ago
(Last modified 2 years ago)
0
test
Java 8
test
Submitted by
anonymous
-
2 years ago
0
Database datatype check
Java 8
Database data type determination and extraction. Example: varchar(20) varchar2(20) number(20,3) timestamp...
Submitted by
anonymous
-
2 years ago
0
datetime
Python
Simple datetime expression for [DD.MM[.YYYY]]T[hh[:mm]]
Submitted by
anonymous
-
2 years ago
(Last modified 2 years ago)
0
Titulo da expressao
Java 8
\w
Submitted by
anonymous
-
2 years ago
0
Validación_patentes_ARG
Python
Validación de patentes de Argentina, del tipo XXX### o XX###XX.
Submitted by
PMM
-
2 years ago
1
...
124
125
126
127
128
...
132
Community Library Entry
0
Regular Expression
.NET 7.0 (C#)
@"
^
(?=
(?<http>
(?:
https
?
:
\/\/
){1}
(?:
www
\.
)?
)?
)
(?
(?=
\k<http>
?
(?<ipaddr>
(?:
\d
{1,3}
\.
){3}
\d
{1,3}
(?:
\:
\d
{1,5}
)?
)
)
\k<http>
?
\k<ipaddr>
(?:
\.
[
\w
]
{1,9}
)?
|
\k<http>
(?:
[
\w
]
\.
?
){1,255}
\.
[
\w
]
{1,9}
)
(?:
\/
.
*
)?
$
"
gm
Open regex in editor
Description
Can be used to validate on URL's.
Submitted by
anonymous
-
2 years ago