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std::regex_error

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< cpp‎ | regex

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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
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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_error
Fonctions membres
Original:
Member Functions
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regex_error::regex_error
regex_error::code
 
Déclaré dans l'en-tête <regex>
class regex_error : public std::runtime_error {

  public:
    explicit regex_error(regex_constants::error_type ecode);
    regex_constants::error_type code() const;

};
 (depuis C++11)
Définit le type d'objet jetés comme des exceptions pour signaler les erreurs provenant de la bibliothèque d'expressions régulières .
Original:
Defines the type of object thrown as exceptions to report errors from the regular expressions library.
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Sommaire

[modifier] Fonctions membres
construit un objet regex_error
Original:
constructs a regex_error object
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(fonction membre publique) [edit]
obtient la std::regex_constants::error_type pour un regex_error
Original:
gets the std::regex_constants::error_type for a regex_error
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(fonction membre publique) [edit]

Inherited from std::exception

Member functions

[
virtuel
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virtual
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]
Détruit l'objet exception
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destructs the exception object
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(function membre virtuelle publique de std::exception) [edit]
[
virtuel
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virtual
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]
retourne une chaîne explicative
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returns an explanatory string
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(function membre virtuelle publique de std::exception) [edit]

[modifier] Exemple

#include <regex>
#include <iostream>
 
int main()
{
    try {
        std::regex re("[a-b][a");
    } catch(const std::regex_error& e)
    {
        std::cout << "regex_error caught: " << e.what() << '\n';
        if(e.code() == std::regex_constants::error_brack)
              std::cout << "The code was error_brack\n";
    }
}

Résultat : 

regex_error caught: The expression contained mismatched [ and ].
The code was error_brack
Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/regex/regex_error&oldid=49224 »