Espaços nominais
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Acções

std::match_results::str

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< cpp‎ | regex‎ | match results

 
 
Biblioteca de expressões regulares
Classes
Original:
Classes
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basic_regex(C++11)
sub_match(C++11)
match_results(C++11)
Algoritmos
Original:
Algorithms
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regex_match(C++11)
regex_search(C++11)
regex_replace(C++11)
Iteradores
Original:
Iterators
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regex_iterator(C++11)
regex_token_iterator(C++11)
Exceções
Original:
Exceptions
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regex_error(C++11)
Características
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Traits
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regex_traits(C++11)
Constantes
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Constants
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syntax_option_type(C++11)
match_flag_type(C++11)
error_type(C++11)
 
std::match_results
Funções de membro
Original:
Member functions
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match_results::match_results
match_results::~match_results
match_results::operator=
match_results::get_allocator
Estado
Original:
State
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match_results::ready
acesso. Elemento
Original:
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
Original:
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
 
string_type str( size_type n = 0 ) const;
(a partir do C++ 11)
Retorna uma string representando a partida sub-indicada.
Original:
Returns a string representing the indicated sub-match.
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Se n == 0, uma cadeia que representa a expressão corresponde inteira é retornada.
Original:
If n == 0, a string representing entire matched expression is returned.
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Se n > 0 && n < size(), uma cadeia que representa n ª partida sub-é devolvido.
Original:
If n > 0 && n < size(), a string representing nth sub-match is returned.
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se n >= size(), uma cadeia que representa o jogo inigualável é devolvido.
Original:
if n >= size(), a string representing the unmatched match is returned.
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A chamada é equivalente a string_type((*this)[n]),
Original:
The call is equivalent to string_type((*this)[n]);
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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 string representando a partida especificado ou jogo sub.
Original:
Returns a string 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("aaab");
    std::smatch sm;
 
    std::regex_match(target, sm, re);
    std::cout << sm.str(1) << '\n';
}

Output:

aaa

[editar] Veja também

retornos especificados sub-jogo
Original:
returns specified sub-match
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(função pública membro) [edit]