std::match_results::position

 

C++

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Biblioteca de utilitários

Biblioteca cordas

Recipientes biblioteca

Biblioteca algoritmos

Biblioteca iteradores

Biblioteca numéricos

De entrada / saída da biblioteca

Biblioteca localizações

Biblioteca de expressões regulares (C++11)

Biblioteca operações atômica (C++11)

Biblioteca de suporte a discussão (C++11)

 

Biblioteca de expressões regulares

Classes Original: Classes The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_regex (C++11)

sub_match (C++11)

match_results (C++11)

Algoritmos Original: Algorithms The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

regex_match (C++11)

regex_search (C++11)

regex_replace (C++11)

Iteradores Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

regex_iterator (C++11)

regex_token_iterator (C++11)

Exceções Original: Exceptions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

regex_error (C++11)

Características Original: Traits The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

regex_traits (C++11)

Constantes Original: Constants The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

syntax_option_type (C++11)

match_flag_type (C++11)

error_type (C++11)

 

std::match_results

Funções de membro Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

match_results::match_results

match_results::~match_results

match_results::operator=

match_results::get_allocator

Estado Original: State The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

match_results::ready

acesso. Elemento Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

match_results::begin match_results::cbegin

match_results::end match_results::cend

Formato Original: Format The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

match_results::format

Modificadores Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

match_results::swap

 

difference_type position( size_type sub = 0 ) const;		(a partir do C++ 11)

Retorna a posição do primeiro caractere da partida sub-especificado.

Original:

Returns the position of the first character of the specified sub-match.

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Se n == 0, a posição do primeiro caractere de expressão combinado inteira é retornada.

Original:

If n == 0, the position of the first character of entire matched expression is returned.

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Se n > 0 && n < size(), a posição do primeiro caractere de n ª partida sub-é devolvido.

Original:

If n > 0 && n < size(), the position of the first character of nth sub-match is returned.

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se n >= size(), uma posição do primeiro caractere do jogo incomparável é devolvido.

Original:

if n >= size(), a position of the first character of the unmatched match is returned.

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Parâmetros

n

-

número inteiro especificando que corresponde a examinar Original: integral number specifying which match to examine The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

A posição do primeiro caractere da partida especificado ou match-sub.

Original:

The position of the first character of the specified match or sub-match.

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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.position(1) << '\n';
}

Output:

1

Veja também

operator[]	retornos especificados sub-jogo Original: returns specified sub-match The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro)