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    std::match_results::str

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    <metanoindex/>

     
    C++
     
    Regular expressions bibliothèque
    Classes
    Original:
    Classes
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    basic_regex (C++11)
    sub_match (C++11)
    match_results (C++11)
    Algorithmes
    Original:
    Algorithms
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    regex_match (C++11)
    regex_search (C++11)
    regex_replace (C++11)
    Les itérateurs
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    Iterators
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    regex_iterator (C++11)
    regex_token_iterator (C++11)
    Exceptions
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    Exceptions
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    regex_error (C++11)
    Traits
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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
    Les fonctions membres
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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
    État
    Original:
    State
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    match_results::ready
    Elément d'accès
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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
    Les itérateurs
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    Iterators
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    match_results::begin
    match_results::cbegin
    match_results::end
    match_results::cend
    Format
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    Format
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    match_results::format
    Modificateurs
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    Modifiers
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    match_results::swap
     
    <tbody> </tbody>
    string_type str( size_type n = 0 ) const;
    		 (depuis C++11)
    Retourne une chaîne qui représente le sous-indiqué match .
    Original:
    Returns a string representing the indicated sub-match.
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    Si n == 0, une chaîne qui représente toute expression correspondant est retourné .
    Original:
    If n == 0, a string representing entire matched expression is returned.
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    Si n > 0 && n < size(), une chaîne représentant n e sous-match est retourné .
    Original:
    If n > 0 && n < size(), a string representing nth sub-match is returned.
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    si n >= size(), une chaîne représentant le match inégalée est retourné .
    Original:
    if n >= size(), a string representing the unmatched match is returned.
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    L'appel est équivalent à string_type((*this)[n]);
    Original:
    The call is equivalent to string_type((*this)[n]);
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    Paramètres

    n -
    nombre entier spécifiant ce qui correspond au retour
    Original:
    integral number specifying which match to return
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    Retourne la valeur

    Renvoie une chaîne représentant le match spécifiée ou un match sous .
    Original:
    Returns a string representing the specified match or sub match.
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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.str(1) << '\n';
}

    Résultat : 

    aaa

    Voir aussi
    rendement indiqués correspondent à des sous-
    Original:
    returns specified sub-match
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    (fonction membre publique) [edit]