std::match_results::position
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<metanoindex/>
<tbody> </tbody> difference_type position( size_type sub = 0 ) const; |
(depuis C++11) | |
Renvoie la position du premier caractère de la sous-spécifié match .
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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Si
n == 0, la position du premier caractère de l'expression identifié ensemble est retourné .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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Si
n > 0 && n < size(), la position du premier caractère de n ième sous-correspondance est retourné .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.
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si
n >= size(), une position du premier caractère de la rencontre inégalée est retourné .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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Paramètres
| n | - | nombre entier spécifiant qui correspondent à examiner
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. |
Retourne la valeur
La position du premier caractère de la rencontre spécifié ou sous-match .
Original:
The position of the first character of the specified match or sub-match.
The text has been machine-translated via Google Translate.
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Exemple
#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';
}
Résultat :
1
Voir aussi
rendement indiqués correspondent à des sous- 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. (fonction membre publique) | |