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
Community Patterns
Search among 17,580 community submitted regex patterns...
1
MD5 (32-bit hash algorithm)
PCRE (PHP <7.3)
Encrypted string of popular hashing algorithm, and other 32-bit algorithms
Submitted by
anonymous
-
9 years ago
0
Get any word before specific string
Python
no description available
Submitted by
anonymous
-
9 years ago
1
sml-identifier
Python
no description available
Submitted by
anonymous
-
9 years ago
1
exemplo-flex-4
Python
no description available
Submitted by
anonymous
-
9 years ago
1
exemplo-flex-3
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
exemplo-flex-2
Python
no description available
Submitted by
anonymous
-
9 years ago
1
exemplo-flex-1
Python
no description available
Submitted by
anonymous
-
9 years ago
1
exemplo-flex-0
Python
no description available
Submitted by
anonymous
-
9 years ago
2
identity
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
5
ipv6 Validation
PCRE (PHP <7.3)
Handle all condition for ipv6 example: 1) FE80::8329 2) FE80::FFFF:8329 3) FE80::B3FF:FFFF:8329 4) FE80::0202:B3FF:FFFF:8329...
Submitted by
Lim Yew Teck, Nicholas
-
9 years ago
1
Check Node path
PCRE (PHP <7.3)
Check if a string starts with a letter and ends with a backslash
Submitted by
anonymous
-
9 years ago
1
text beetween <<>>
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
0
Match all strings that ends with more than 3 numbers
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
1
d{2}\.\d{2}"
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
1
pages to iwpage
PCRE (PHP <7.3)
Converts pages tag into Iwpages template (MediaWiki - wikisource - proofread extension)
Submitted by
Alex
-
9 years ago
0
https://regex101.com/r/lS4dV7/1
Python
ipv4 address matching
Submitted by
Unknown
-
9 years ago
1
string-format
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
1
www
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
9 years ago
2
Password Log
PCRE (PHP <7.3)
Matches a password that has been passed in as a url query parameter or in a post dictionary.
Submitted by
Anthony Miller
-
9 years ago
0
fred
Python
test
Submitted by
test
-
9 years ago
1
...
785
786
787
788
789
...
879
First Character can not be space, and allow only characters
0
Regular Expression
ECMAScript (JavaScript)
/
^\S.
*
[
a
-
zA
-
Z
\s
]
*
$
/
g
Open regex in editor
Description
First character can not be space and only characters are allowed
Submitted by
anonymous
-
2 years ago