Espaces de noms
Variantes
Affichages
Actions

std::regex_match

De cppreference.com
< cpp‎ | regex

This page has been machine-translated from the English version of the wiki using Google Translate.

The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

Click here for the English version of this page

 
C++
 
Regular expressions bibliothèque
Classes
Original:
Classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_regex (C++11)
sub_match (C++11)
match_results (C++11)
Algorithmes
Original:
Algorithms
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
regex_match (C++11)
regex_search (C++11)
regex_replace (C++11)
Les itérateurs
Original:
Iterators
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
regex_iterator (C++11)
regex_token_iterator (C++11)
Exceptions
Original:
Exceptions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
regex_error (C++11)
Traits
Original:
Traits
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
regex_traits (C++11)
Constantes
Original:
Constants
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
syntax_option_type (C++11)
match_flag_type (C++11)
error_type (C++11)
 
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
2)
Se comporte comme (1) ci-dessus, en omettant les résultats des matchs .
Original:
Behaves as (1) above, omitting the match results.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
4)
Retours std::regex_match(s.begin(), s.end(), m, e, flags) .
Original:
Returns std::regex_match(s.begin(), s.end(), m, e, flags).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
6)
Retours std::regex_match(s.begin(), s.end(), e, flags) .
Original:
Returns std::regex_match(s.begin(), s.end(), e, flags).
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Sommaire

[modifier] 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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
m -
les résultats des matchs
Original:
the match results
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
s -
la chaîne cible, donné comme un std::basic_string
Original:
the target string, given as a std::basic_string
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
e -
l'expression régulière
Original:
the regular expression
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
flags -
indicateurs utilisés pour déterminer comment le match va être effectuée
Original:
flags used to determine how the match will be performed
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Type requirements
-
BidirIt must meet the requirements of BidirectionalIterator.

[modifier] 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:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Si le match n'existe pas:
Original:
If the match does not exist:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
m.ready() == true
m.empty() == true
m.size() == 0
Si le match existe:
Original:
If the match exists:
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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()
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
m.prefix().first first
m.prefix().second first
m.prefix().matched
false (le préfixe match est vide)
Original:
false (the match prefix is empty)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
m.suffix().first last
m.suffix().second last
m.suffix().matched
false (le suffixe match est vide)
Original:
false (the match suffix is empty)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
m[0].first first
m[0].second last
m[0].matched
true (la séquence entière est apparié)
Original:
true (the entire sequence is matched)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifier] 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

[modifier] Voir aussi

(C++11)
objet expression régulière
Original:
regular expression object
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(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
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(classe générique) [edit]
Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/regex/regex_match&oldid=50221 »