std::match_results::position
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<metanoindex/>
<tbody> </tbody> difference_type position( size_type sub = 0 ) const; |
(desde 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.
The text has been machine-translated via Google Translate.
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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.The text has been machine-translated via Google Translate.
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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.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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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.The text has been machine-translated via Google Translate.
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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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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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';
}
Saída:
1
Veja também
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) | |