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. Click
here
to read more.
Community Patterns
Search among 5,880 community submitted regex patterns...
-2
Host and domains
Python
no description available
Submitted by
anonymous
-
9 years ago
-2
IPv4
Python
allows for all legal IPv4 addresses
Submitted by
anonymous
-
9 years ago
-2
Match words in a string
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
-2
finds the instance of two or more repeating letters
Python
no description available
Submitted by
cp0153
-
9 years ago
-2
domain name
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
9 years ago
-2
SQL Injection
ECMAScript (JavaScript)
SQL injection regEx pattern
Submitted by
Darshan Patil
-
9 years ago
-2
adsf
Python
adfadfad
Submitted by
anonymous
-
9 years ago
0
Simple
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
11 years ago
0
Splits jquery selector, 2nd part is selector of last element
ECMAScript (JavaScript)
no description available
Submitted by
Uzair Farooq
-
10 years ago
0
waypoints
Python
Text fields describing a name and positions
Submitted by
bruno.piguet@meteo.fr
-
10 years ago
0
Words that start with...
Python
no description available
Submitted by
anonymous
-
10 years ago
0
almost any similar word
Python
no description available
Submitted by
anonymous
-
10 years ago
0
how I retrieve the domain without www or other cruft
Python
no description available
Submitted by
bronsen
-
10 years ago
0
Fix Spanish Quote Marks
Python
Adds a ¿, for ¡ replace the last ? for !
Submitted by
paconaranjo
-
10 years ago
0
Bad comma puctuation
ECMAScript (JavaScript)
Just an example for a guy wanting to check space before comma
Submitted by
anonymous
-
10 years ago
0
Searching for bracketed fields and optional parameters
ECMAScript (JavaScript)
This is a quick test of how to add optional identifiers to a fieldname search in REDCap
Submitted by
Andy Martin
-
10 years ago
0
Can't figure out how to split this
Python
I need to group each "lease" on its own and I must be missing something :(
Submitted by
cereal
-
10 years ago
0
Single dollar delimited LaTeX equation
Python
Find single dollar delimited LaTeX equations, for use with e.g. KateX
Submitted by
drewsberry
-
10 years ago
0
phone number (simple validate)
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
10 years ago
0
DOI matcher
Python
Matches any valid DOI
Submitted by
jpowell
-
10 years ago
1
...
103
104
105
106
107
...
294
smartax
0
Regular Expression
Golang
`
[
0
1
]
[
0
-
9
]
\/
[
0
-
2
]
[
0
-
9
]
[
0
-
9
]
[
0
-
9
]
`
g
Open regex in editor
Description
no description available
Submitted by
anonymous
-
6 years ago