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 5,880 community submitted regex patterns...
0
Workspace case insensitive
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
0
Workspaces
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
0
get lowercase letters
ECMAScript (JavaScript)
get lowercase letters
Submitted by
jho
-
8 years ago
1
Find 7-letter Palindromes
Python
Find 7 letter words that are spelled the same forwards as they are backwards.
Submitted by
Christian Frost
-
8 years ago
0
Payment process
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
1
Verbose Python IP4 Address
Python
Verbose IP4 simple address re N.B. You need to ensure that the re is in trebble quotes r""" .... """
Submitted by
Steve (Gadget) Barnes
-
8 years ago
1
IP4 Address Checker
Python
Allows exaclty 4 groups of digits in the range 0..255 seperated by . characters
Submitted by
Steve (Gadget) Barnes
-
8 years ago
0
Regex Fecha yyyy-MM-dd
ECMAScript (JavaScript)
valida fechas de 19## a 20##, en formato yyyy-MM-dd
Submitted by
http://www.regular-expressions.info/dates.html
-
8 years ago
0
ContentPlace Xml Tag
ECMAScript (JavaScript)
ContentPlace Xml Tag
Submitted by
Saeed Tabrizi
-
8 years ago
0
int or Float 3 decimal values
ECMAScript (JavaScript)
Accepts only integer or Flating values upto 3 decimals. To accept n decimals change (1,n)
Submitted by
Shanky
-
8 years ago
0
Validates Against YYYY
ECMAScript (JavaScript)
This regex checks if a user has input 4 digit year integer.
Submitted by
@izotope115
-
8 years ago
0
Check That User Has Input Valid YYYY
ECMAScript (JavaScript)
This simple regex checks if a user has input correct YYYY format.
Submitted by
@izotope115
-
8 years ago
1
yFrame Origin Filter
ECMAScript (JavaScript)
Pattern used to filter URL origin (protocol:host) for yFrame.
Submitted by
grese
-
8 years ago
1
ISO, UK/US and international numbers
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
1
Sunless Sea Game Note
Python
no description available
Submitted by
MestreLion
-
8 years ago
1
github user/repo regex
Python
parses user/repo
Submitted by
luckydonald
-
8 years ago
1
Repeating numbers
ECMAScript (JavaScript)
Repeating numbers (11111,22222,333333)
Submitted by
Selva
-
8 years ago
2
Title Casing
ECMAScript (JavaScript)
for use in function to title case a string; function cap(str) { return str.replace(/\w\S*/g, function(txt) { return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase(); }); }
Submitted by
Tamara F
-
8 years ago
1
simple symbols
ECMAScript (JavaScript)
+a+====+b+
Submitted by
Tamara F
-
8 years ago
4
Function Declaration / Expression
ECMAScript (JavaScript)
matches both function declarations and expressions in javascript. ex. function name () {...} || function () {}
Submitted by
Ja Superior
-
8 years ago
1
...
233
234
235
236
237
...
294
Reads C-like comments
0
Regular Expression
Python
r"
(?:
(?s)
\/\*
(
(?:
(?!
\*\/
)
.
)*
?
)
\*\/
)
"
Open regex in editor
Description
Reads C comments as this "/* Do test
/ and removes /
*/ parts and leaves only comment part
Submitted by
Shuhrat Rahimov
-
8 years ago