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
\W
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
^ = Início da string;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
$ = Fim da string;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
() = Determina quais grupos serão capturados;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
(?:) = Determina quais grupos 'NÃO' serão capturados;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
(?=) = Sucedido por algum conjunto de caracteres;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
(?<=) = Precedido por algum conjunto de caracteres;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
(?!) = Que não seja sucedido por algum conjunto de caracteres;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
(?<!) = Que não seja precedido por algum conjunto de caracteres;
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
替 换分组
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
特殊限制(环视否定)不以什么开头
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
0
Capture query test
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
Latex Chemical formula
Python
Matches chemical formula written with latex, ex: H_2O, C_5H_12, Pb(NO_3)_2
Submitted by
Jingjie Yang
-
8 years ago
0
Latex Chemical Molecule Identifier
Python
Updated: Identifies chemical formulae written with latex
Submitted by
anonymous
-
8 years ago
0
Email Search Regex
PCRE (PHP <7.3)
Finds all email addresses on a page.
Submitted by
anonymous
-
8 years ago
0
InfixToPost
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
0
Javascript comments!
PCRE (PHP <7.3)
Works with single and multi-line
Submitted by
(:
-
8 years ago
0
校验密码必须包含字母、数字和特殊字符
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
0
匹配图片title src
ECMAScript (JavaScript)
no description available
Submitted by
anonymous
-
8 years ago
0
匹配图片title src
PCRE (PHP <7.3)
no description available
Submitted by
anonymous
-
8 years ago
1
...
414
415
416
417
418
...
902
Community Library Entry
0
Regular Expression
PCRE2 (PHP >=7.3)
/
^
(
.
*
)
/
g
Open regex in editor
Description
Picking 1st Line
Submitted by
Picking 1st Line
-
3 years ago