Regular Expressions 101

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Community Patterns

0

Latex Chemical Molecule Identifier

Python
Updated: Identifies chemical formulae written with latex
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

Capture query test

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

替换分组

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

Get the name of the image

PCRE (PHP <7.3)
This regex will be getting the name of the image source: data/products/cocacola/logo_new_version.jpg match: logo_new_version It will be returned logo_new_version on image index...
Submitted by strubloid - 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

(?!) = Que não seja 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

(?=) = Sucedido por algum conjunto de caracteres;

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

() = Determina quais grupos serão capturados;

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

^ = Início da string;

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

\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

Extract from on-pageText

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

\S

PCRE (PHP <7.3)
no description available
Submitted by anonymous - 8 years ago
1...596597598599600...900

Community Library Entry

0

Regular Expression
PCRE (PHP <7.3)

/
((\d+\.)?\d*"?\/?\d*"?(-\d*)?)~(UNC|UNF|UNEF)
/
i
Open regex in editor

Description

no description available

Submitted by anonymous - 5 years ago