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 17,260 community submitted regex patterns...
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
Challenge: Create regular expression that matches the following urls
PCRE (PHP <7.3)
Note the 2 lines separated urls. These should NOT match
Submitted by
kostas trichas
-
10 years ago
1
URL REGULAR EXPRESSION CHALLENGE
PCRE (PHP <7.3)
Follow the instructions to match/don't match the following urls. Then post to comminity with title: [URL CHALLENGE]:
Submitted by
kostas trichas
-
10 years ago
0
Share?
PCRE (PHP <7.3)
Test
Submitted by
test
-
10 years ago
-2
eee
Python
no description available
Submitted by
anonymous
-
10 years ago
1
Match Tags in ExpressionEngine
PCRE (PHP <7.3)
The second matcher will get EE tags from $tagdata.
Submitted by
Kyle Palko
-
10 years ago
1
testmmoj
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
1
Convert YYMMDD to DD/MM/YY
PCRE (PHP <7.3)
I'm new to regular expressions and I've been searching high and low for this really simple date conversion from YYMMDD to DD/MM/YY e.g. 140923 to 23/09/14. Maybe I just didn't search hard enough, but here goes: Search/original string: (\d{4})(\d{2})(\d{2}) ...
Submitted by
Nike Begbaaji
-
10 years ago
-2
get all href=()
PCRE (PHP <7.3)
no description available
Submitted by
artyom lisovskij
-
10 years ago
1
http://stackoverflow.com/questions/26108562/python-regex-trying-to-cre
Python
no description available
Submitted by
anonymous
-
10 years ago
1
find single character
PCRE (PHP <7.3)
Why this regEx not find all single character? Why not work Start of string and End of string in bracket?
Submitted by
anonymous
-
10 years ago
1
Mips R-Type Instructions
PCRE (PHP <7.3)
Parses an R-Type Mips instruction. You can add and remove instructions in the list to support more R-Type instructions. Will detect only "add", "and", "nor" or "sub" as is
Submitted by
lunfel
-
10 years ago
1
Mips I-Type Instructions
PCRE (PHP <7.3)
Parses an I-Type Mips instruction. You can add and remove instructions in the list to support more I-Type instructions. Will detect only "addi", "andi" or "ori" as is
Submitted by
lunfel
-
10 years ago
1
search mailadress
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
0
webongo
PCRE (PHP <7.3)
webongo test
Submitted by
webongo
-
10 years ago
1
input mandatory title
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
10 years ago
1
Europead date or MSSQL Timestamp
PCRE (PHP <7.3)
Matches european dates (DD.MM.YYYY[ HH:MM:SS]) and MS-SQL Timestamp ({ts 'YYYY-MM-DD HH:MM:SS'})
Submitted by
anonymous
-
10 years ago
1
semver
PCRE (PHP <7.3)
Semantic Versioning regex pattern according to Tom Preston-Werner http://semver.org/ https://github.com/mojombo/semver/blob/master/semver.md ...
Submitted by
@gvlx <Gerardo Lisboa>
-
10 years ago
1
Test
PCRE (PHP <7.3)
test
Submitted by
royskatt
-
10 years ago
1
...
81
82
83
84
85
...
863
1
0
Regular Expression
PCRE (PHP <7.3)
/
\w
*
\d
*
(
[
+
]
|
[
=
]
)
/
gm
Open regex in editor
Description
Prueba 1
Submitted by
anonymous
-
2 years ago