Varianti

    std::regex_traits

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    <metanoindex/>

     
    C++
     
    Espressioni regolari libreria
    Classi
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    Classes
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    basic_regex(C++11)
    sub_match(C++11)
    match_results(C++11)
    Algoritmi
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    Algorithms
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    regex_match(C++11)
    regex_search(C++11)
    regex_replace(C++11)
    Iteratori
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    Iterators
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    regex_iterator(C++11)
    regex_token_iterator(C++11)
    Eccezioni
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    Exceptions
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    regex_error(C++11)
    Tratti
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    Traits
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    regex_traits(C++11)
    Costanti
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    Constants
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    syntax_option_type(C++11)
    match_flag_type(C++11)
    error_type(C++11)
     
    std::regex_traits
     
    <tbody> </tbody>
    Elemento definito nell'header <regex>
    template< class CharT > class regex_traits;
    		 (dal C++11)
    Il modello tratto tipo regex_traits forniture std::basic_regex con l'insieme dei tipi e le funzioni necessarie per operare sul CharT tipo.
    Original:
    The type trait template regex_traits supplies std::basic_regex with the set of types and functions necessary to operate on the type CharT.
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    Dal momento che molti di operazioni regex sono dipendenti dalle impostazioni internazionali (quando il flag std::regex_constants::collate è impostato), la classe regex_traits contiene in genere un'istanza di un std::locale come membro privato.
    Original:
    Since many of regex operations are locale-sensitive (when std::regex_constants::collate flag is set), the regex_traits class typically holds an instance of a std::locale as a private member.
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    Specializzazioni standard

    Due specializzazioni di std::regex_traits sono definiti dalla libreria standard:
    Original:
    Two specializations of std::regex_traits are defined by the standard library:
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    std::regex_traits<char>
    std::regex_traits<wchar_t>
    Queste specializzazioni consentono di utilizzare std::basic_regex<char> (aka std::regex) e std::basic_regex<wchar_t> (aka std::wregex), ma al fine di utilizzare, per esempio, std::basic_regex<char32_t>, fornita dall'utente std::regex_traits<char32_t> specializtion deve essere definita.
    Original:
    These specializations make it possible to use std::basic_regex<char> (aka std::regex) and std::basic_regex<wchar_t> (aka std::wregex), but in order to use, for example, std::basic_regex<char32_t>, user-provided specializtion std::regex_traits<char32_t> needs to be defined.
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    Membri tipi

    Tipo
    Original:
    Type
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    		 Definition
    char_type CharT
    string_type std::basic_string<CharT>
    locale_type
    Il locale usato per il comportamento localizzato nelle espressioni regolari. Deve essere