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 18,040 community submitted regex patterns...
5
FIlename sanitization regular expression
PCRE (PHP <7.3)
Useful for filename sanitization. Matches invalid filename characters. Can be used in preg_replace() calls.
Submitted by
FractalizeR@yandex.ru
-
10 years ago
6
Username:Password
PCRE (PHP <7.3)
Regex For finding username:password
Submitted by
Ghost
-
9 years ago
6
Matching balanced parens, brackets, and braces
PCRE (PHP <7.3)
no description available
Submitted by
Noah Luck Easterly
-
11 years ago
6
Simple Number
ECMAScript (JavaScript)
Verifies Number is a negative/positive number. Number may be a decimal, but if it is, it requires at least one number before and after the decimal place. Decimal numbers may also be negative or positive. Only 1 decimal place is allowed.
Submitted by
David P Smith
-
9 years ago
6
json
PCRE (PHP <7.3)
{1:aa,2:bb,3:"aa:bb"}
Submitted by
suat & umut
-
10 years ago
5
Two or more whitespace
PCRE (PHP <7.3)
Reeplace all two or more whitespace in string with a single chararter(ej. one whitespace)
Submitted by
Lanxe
-
10 years ago
5
Accept url without www
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
11 years ago
5
URL
PCRE (PHP <7.3)
URL Description from Dr. M. G. @ Brookes
Submitted by
anonymous
-
10 years ago
5
HTML img
ECMAScript (JavaScript)
Grabs all HTML tags
Submitted by
Pirate11
-
9 years ago
5
password 1upper 1lower 1number 1specialcharater
ECMAScript (JavaScript)
fjk@1Qaa$
Submitted by
Anuswadh
-
9 years ago
5
Youtube ID matcher
ECMAScript (JavaScript)
Credit: https://gist.github.com/FinalAngel/1876898
Submitted by
anonymous
-
11 years ago
5
MAC address
ECMAScript (JavaScript)
a mac address separated by dashes or colons.
Submitted by
anonymous
-
9 years ago
4
Repeated words (JS)
ECMAScript (JavaScript)
no description available
Submitted by
paconaranjo
-
11 years ago
4
Simple Linux File Absolute Path Tester
PCRE (PHP <7.3)
Match simple linux file absolute path as /usr/share/my-folder/helloworld.jpg
Submitted by
FLonpl6
-
10 years ago
4
url matching
ECMAScript (JavaScript)
supports all major protocols
Submitted by
matheus silva
-
10 years ago
4
Validate a Particular File Extension
PCRE (PHP <7.3)
Validates a File Path and makes sure the correct extension is at the end.
Submitted by
Andrew Morpurgo
-
10 years ago
4
Capture only top-level (root) domain in URL
PCRE (PHP <7.3)
no description available
Submitted by
guyfawkes
-
10 years ago
4
tgs data delivery .zip ID
PCRE (PHP <7.3)
Pull zip download ID from default links. Works with datadelivery and datadelivery1
Submitted by
TRL
-
9 years ago
4
vowel words
ECMAScript (JavaScript)
([!-\~]aeiou)
Submitted by
Ipsita Mohanty
-
9 years ago
4
Timestamp
PCRE (PHP <7.3)
12.04.1975T03:02:00.88 With milliseconds and T seperator. Excludes most invalid dates, except 30/31ths of month, leap years/february heaving only 29/28.
Submitted by
anonymous
-
9 years ago
1
...
13
14
15
16
17
...
902
Community Library Entry
0
Regular Expression
PCRE (PHP <7.3)
/
(?:
PRODUCAO:
\s\s
)
(
\d
{2}
[
\-\.\/
]
\d
{4}
)
\s
?
(
A
|
a
|
e
|
TO
|
HASTA
|
\-
|
\,
)
\s
?
(
\d
{2}
[
\-\.\/
]
\d
{4}
)
/
gm
Open regex in editor
Description
no description available
Submitted by
anonymous
-
6 years ago