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...
0
fcc-title-case-a-sentence
ECMAScript (JavaScript)
a regex to find first letter of each word
Submitted by
anonymous
-
2 years ago
0
Youtube Video Id
.NET 7.0 (C#)
Matches the video Id in Youtube URL.
Submitted by
CW
-
2 years ago
0
fb-group
PCRE2 (PHP >=7.3)
db gr
Submitted by
anonymous
-
2 years ago
(Last modified 2 years ago)
0
jvavo-regExp-links
PCRE2 (PHP >=7.3)
To include all content checkers
Submitted by
anonymous
-
2 years ago
0
Major.Minor.Patch Regex
PCRE2 (PHP >=7.3)
This regex will only allow the Major.Minor.Patch pattern to pass.
Submitted by
Rónmag
-
2 years ago
0
converting table to repeattable command latex
PCRE2 (PHP >=7.3)
for testing doc
Submitted by
anonymous
-
2 years ago
0
Official Emeil validation Regex
ECMAScript (JavaScript)
Regex from the Mail::RFC822::Address: regexp-based address validation Access here
Submitted by
Igor Julliano Aguiar Sotero
-
2 years ago
1
Clean Date Finder
PCRE2 (PHP >=7.3)
Find dates of multiple formats in a clean way Searchable Formats: -Month day year -Month day, year -Mon day year...
Submitted by
anonymous
-
2 years ago
0
Valid HTTP url
Python
Matches in python valid urls (excludes some edge cases), but pretty good to verify an URL before scraping it
Submitted by
anonymous
-
2 years ago
(Last modified 2 years ago)
0
匹配中文数字,用于逆向文本标准化
Python
大部分应当匹配的数字都匹配上了。 第2个捕获组,即是内容(可能加的有单位,需要手动去除)
Submitted by
HaujetZhao
-
2 years ago
0
RegEx, lower case letters and numbers, with exact length of 6
PCRE2 (PHP >=7.3)
StackOverflow RegEx, lower case letters and numbers, with exact length of 6 RegEx without boundary (1st try) [a-z0-9]{6} RegEx with boundary (solution) \b[a-z0-9]{6}\b
Submitted by
Nicolas Karg
-
2 years ago
1
Wikipedia ISO 4217 (Currency Codes) table to C# enum
.NET 7.0 (C#)
This converts the values in this) table to C# code. Example: pulic enum Iso4217 { /* output here */...
Submitted by
Diemaco
-
2 years ago
0
chit_kaung_song_names
Python
Extract Singer Chit Kaung's song names in Myanmar + English
Submitted by
paing
-
2 years ago
0
google video 域名
PCRE2 (PHP >=7.3)
google video 域名
Submitted by
anonymous
-
2 years ago
1
URL Cleaner
PCRE2 (PHP >=7.3)
It just cleans up urls.
Submitted by
anonymous
-
2 years ago
(Last modified a year ago)
0
White spaces between two white spaces.
PCRE2 (PHP >=7.3)
White spaces between two white spaces.
Submitted by
jrjmm
-
2 years ago
0
silly radio
PCRE2 (PHP >=7.3)
nuh uh
Submitted by
anonymous
-
2 years ago
0
Are* Device (iOS)
PCRE2 (PHP >=7.3)
OS version of the iPhone devices of our client Are*
Submitted by
anonymous
-
2 years ago
0
Are* Device
PCRE2 (PHP >=7.3)
Device model Extraction from our client Are*
Submitted by
anonymous
-
2 years ago
0
Codegolf stay away from zero
PCRE2 (PHP >=7.3)
Codegolf submission
Submitted by
PlaceReporter99
-
2 years ago
(Last modified 2 years ago)
1
...
54
55
56
57
58
...
902
Community Library Entry
0
Regular Expression
ECMAScript (JavaScript)
/
^\d
+
(?:
\.
+
\d
*
)?
$
/
Open regex in editor
Description
This regex checks for numbers with optional decimal part.
Submitted by
Pratik Sanyal
-
9 years ago