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    std::sub_match::operator string_type, std::sub_match::str

    De cppreference.com

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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
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    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::sub_match
    Les fonctions membres
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    Member functions
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    sub_match::sub_match (C++11)
    sub_match::length (C++11)
    sub_match::str
    sub_match::operator string_type    		 (C++11)
    sub_match::compare (C++11)
    Tiers fonctions
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    Non-member functions
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    operator==
    operator!=
    operator<<
    operator<=
    operator>
    operator>=    		 (C++11)
    operator<< (C++11)
     
    <tbody> </tbody>
    operator string_type() const;
    		 (1)
    string_type str() const;
    		 (2)

    1)

    Convertit implicitement à un objet du type std::basic_string sous-jacente .
    Original:
    Implicitly converts to an object of the underlying std::basic_string type.
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    2)

    Convertit explicitement à un objet du type std::basic_string sous-jacente .
    Original:
    Explicitly converts to an object of the underlying std::basic_string type.
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    Paramètres

    (Aucun)
    Original:
    (none)
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    Retourne la valeur

    Retourne la séquence de caractères appariés comme un objet du type std::basic_string sous-jacent. Si le membre est matched faux, la chaîne vide est retournée .
    Original:
    Returns the matched character sequence as an object of the underlying std::basic_string type. If the matched member is false then the empty string is returned.
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    Complexité

    Linéaire à la longueur de la séquence de caractères sous-jacent .
    Original:
    Linear in the length of the underlying character sequence.
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    Exemple

    std::ssub_match sm;
std::string s = sm;  // implicit conversion
std::cout << s.length() << '\n';

    Résultat : 

    0