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    std::regex_match

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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
    Original:
    Iterators
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    regex_iterator (C++11)
    regex_token_iterator (C++11)
    Exceptions
    Original:
    Exceptions
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    regex_error (C++11)
    Traits
    Original:
    Traits
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    regex_traits (C++11)
    Constantes
    Original:
    Constants
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    syntax_option_type (C++11)
    match_flag_type (C++11)
    error_type (C++11)
     
    <tbody> </tbody>
    Déclaré dans l'en-tête <regex>
    template< class BidirIt, class Alloc, class CharT, class Traits > bool regex_match( BidirIt first, BidirIt last, std::match_results<BidirIt,Alloc>& m, const std::basic_regex<CharT,Traits>& e, std::regex_constants::match_flag_type flags = std::regex_constants::match_default );
    		 (1) (depuis C++11)
    template< class BidirIt, class CharT, class Traits > bool regex_match( BidirIt first, BidirIt last, const std::basic_regex<CharT,Traits>& e, std::regex_constants::match_flag_type flags = std::regex_constants::match_default );
    		 (2) (depuis C++11)
    template< class CharT, class Alloc, class Traits > bool regex_match( const CharT* str, std::match_results<const CharT*,Alloc>& m, const std::basic_regex<CharT,Traits>& e, std::regex_constants::match_flag_type flags = std::regex_constants::match_default );
    		 (3) (depuis C++11)
    template< class STraits, class SAlloc, class Alloc, class CharT, class Traits > bool regex_match( const std::basic_string<CharT,STraits,SAlloc>& s, std::match_results< typename std::basic_string<CharT,STraits,SAlloc>::const_iterator, Alloc >& m, const std::basic_regex<CharT,Traits>& e, std::regex_constants::match_flag_type flags = std::regex_constants::match_default );
    		 (4) (depuis C++11)
    template< class CharT, class Traits > bool regex_match( const CharT* str, const std::basic_regex<CharT,Traits>& e, std::regex_constants::match_flag_type flags = std::regex_constants::match_default );
    		 (5) (depuis C++11)
    template< class STraits, class SAlloc, class CharT, class Traits > bool regex_match( const std::basic_string<CharT, STraits, SAlloc>& s, const std::basic_regex<CharT,Traits>& e, std::regex_constants::match_flag_type flags = std::regex_constants::match_default );
    		 (6) (depuis C++11)

    1)

    Détermine s'il ya un match entre le e expression régulière et la séquence cible tout caractère [first,last), en tenant compte de l'effet de flags. Les résultats des matchs sont retournés dans m .
    Original:
    Determines if there is a match between the regular expression e and the entire target character sequence [first,last), taking into account the effect of flags. Match results are returned in m.
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    2)

    Se comporte comme (1) ci-dessus, en omettant les résultats des matchs .
    Original:
    Behaves as (1) above, omitting the match results.
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    3)

    Retours std::regex_match(str, str + std::char_traits<charT>::length(str), m, e, flags) .
    Original:
    Returns std::regex_match(str, str + std::char_traits<charT>::length(str), m, e, flags).
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    4)

    Retours std::regex_match(s.begin(), s.end(), m, e, flags) .
    Original:
    Returns std::regex_match(s.begin(), s.end(), m, e, flags).
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    5)

    Retours std::regex_match(str, str + std::char_traits<charT>::length(str), e, flags) .
    Original:
    Returns std::regex_match(str, str + std::char_traits<charT>::length(str), e, flags).
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    6)

    Retours std::regex_match(s.begin(), s.end(), e, flags) .
    Original:
    Returns std::regex_match(s.begin(), s.end(), e, flags).
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    Paramètres

    first, last -
    la plage de caractères cible d'appliquer la regex, étant donné que les itérateurs
    Original:
    the target character range to apply the regex to, given as iterators
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    m -
    les résultats des matchs
    Original:
    the match results
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    str -
    la chaîne cible, donné comme un zéro terminal C de style chaîne
    Original:
    the target string, given as a null-terminated C-style string
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    s -
    la chaîne cible, donné comme un std::basic_string
    Original:
    the target string, given as a std::basic_string
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    e -
    l'expression régulière
    Original:
    the regular expression
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    flags -
    indicateurs utilisés pour déterminer comment le match va être effectuée
    Original:
    flags used to determine how the match will be performed
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    Type requirements
    -
    BidirIt must meet the requirements of BidirectionalIterator.

    Retourne la valeur

    Retours true si une correspondance existe, false autrement. Dans les deux cas, l'objet est mis à jour m, comme suit:
    Original:
    Returns true if a match exists, false otherwise. In either case, the object m is updated, as follows:
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    Si le match n'existe pas:
    Original:
    If the match does not exist:
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    m.ready() == true
    m.empty() == true
    m.size() == 0
    Si le match existe:
    Original:
    If the match exists:
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    m.ready() true
    m.empty() false
    m.size()
    nombre de sous-expressions plus 1, c'est-à-1+e.mark_count()
    Original:
    number of subexpressions plus 1, that is, 1+e.mark_count()
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    m.prefix().first first
    m.prefix().second first
    m.prefix().matched
    false (le préfixe match est vide)
    Original:
    false (the match prefix is empty)
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    m.suffix().first last
    m.suffix().second last
    m.suffix().matched
    false (le suffixe match est vide)
    Original:
    false (the match suffix is empty)
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    m[0].first first
    m[0].second last
    m[0].matched
    true (la séquence entière est apparié)
    Original:
    true (the entire sequence is matched)
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    m[n].first
    le début de la séquence qui correspondait à la sous-expression n, ou last si la sous-expression n'a pas participé à la rencontre
    Original:
    the start of the sequence that matched sub-expression n, or last if the subexpression did not participate in the match
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    m[n].second
    la fin de la séquence qui correspondait à la sous-expression n, ou last si la sous-expression n'a pas participé à la rencontre
    Original:
    the end of the sequence that matched sub-expression n, or last if the subexpression did not participate in the match
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    m[n].matched
    true si la sous-expression n ont participé à la rencontre, false autrement
    Original:
    true if sub-expression n participated in the match, false otherwise
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    Exemple

    #include <iostream>
#include <string>
#include <regex>

int main()
{
    std::string fnames[] = {"foo.txt", "bar.txt", "zoidberg"};

    std::regex txt_regex("[a-z]+\\.txt");
    for (const auto &fname : fnames) {
        std::cout << fname << ": " << std::regex_match(fname, txt_regex) << '\n';
    }
}

    Résultat : 

    foo.txt: 1
bar.txt: 1
zoidberg: 0

    Voir aussi

    (C++11)
    objet expression régulière
    Original:
    regular expression object
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    (classe générique) [edit]
    (C++11)
    identifie une correspondance d'expression régulière, y compris tous les matchs de la sous-expression
    Original:
    identifies one regular expression match, including all sub-expression matches
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    (classe générique) [edit]