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std::match_results::operator[]

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< cpp‎ | regex‎ | match results

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C++
 
Biblioteca de expressões regulares
Classes
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Classes
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(C++11)
(C++11)
(C++11)
Algoritmos
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Algorithms
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(C++11)
(C++11)
(C++11)
Iteradores
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Iterators
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(C++11)
(C++11)
Exceções
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Exceptions
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(C++11)
Características
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Traits
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(C++11)
Constantes
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Constants
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(C++11)
(C++11)
(C++11)
 
std::match_results
Funções de membro
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Member functions
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match_results::match_results
match_results::~match_results
match_results::operator=
match_results::get_allocator
Estado
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State
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match_results::ready
acesso. Elemento
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Element access
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match_results::size
match_results::max_size
match_results::empty
match_results::length
match_results::position
match_results::str
match_results::operator_at
match_results::prefix
match_results::suffix
Iteradores
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Iterators
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match_results::begin
match_results::cbegin
match_results::end
match_results::cend
Formato
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Format
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match_results::format
Modificadores
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Modifiers
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match_results::swap
 
const_reference operator[]( size_type n ) const;
 (desde C++11)
Retorna uma partida sub-indicada.
Original:
Returns an indicated sub-match.
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Se n == 0, expressão correspondente inteira é retornada.
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If n == 0, entire matched expression is returned.
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Se n > 0 && n < size(), n ª sub-jogo é devolvido.
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If n > 0 && n < size(), nth sub-match is returned.
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se n >= size(), um jogo de sub-representação do jogo incomparável é devolvido.
Original:
if n >= size(), a sub-match representing the unmatched match is returned.
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Índice

[editar] Parâmetros

n -
número inteiro especificando que corresponde a retornar
Original:
integral number specifying which match to return
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[editar] Valor de retorno

Retorna uma partida sub-representando a partida especificado ou jogo sub.
Original:
Returns a sub-match representing the specified match or sub match.
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[editar] Exemplo

#include <iostream>
#include <regex>
#include <string>
 
int main()
{
    std::regex re("a(a)*b");
    std::string target("baaaby");
    std::smatch sm;
 
    std::regex_search(target, sm, re);
    std::cout << sm[1] << '\n';
}

Saída: 

aa

[editar] Veja também
retorna a seqüência de caracteres para o jogo sub-particular
Original:
returns the sequence of characters for the particular sub-match
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(função pública membro) [edit]
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