Regular Expressions 101

Order By

Sponsors
There are currently no sponsors. Become a sponsor today!

Community Patterns

0

\s

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

\S

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

Extract from on-pageText

ECMAScript (JavaScript)
no description available
Submitted by anonymous - 8 years ago
0

\d

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

\D

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
0

\w

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
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
1...3233343536...901

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
(\w+(-\w+)+)
/
gmuix
Open regex in editor

Description

Find and replace string which contains hypens "-"

Submitted by yuks - 9 years ago