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std::regex_replace

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< cpp‎ | regex

 
 
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)
 
Defined in header <regex>
template< class OutputIt, class BidirIt,

          class Traits, class CharT,
          class STraits, class SAlloc >
OutputIt regex_replace( OutputIt out, BidirIt first, BidirIt last,
                        const std::basic_regex<CharT,Traits>& e,
                        const std::basic_string<CharT,STraits,SAlloc>& fmt,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default );
(1) (depuis C++11)
template< class OutputIt, class BidirIt,

          class Traits, class CharT >
OutputIt regex_replace( OutputIt out, BidirIt first, BidirIt last,
                        const std::basic_regex<CharT,Traits>& e,
                        const CharT* fmt,
                        std::regex_constants::match_flag_type flags =

                            std::regex_constants::match_default );
(2) (depuis C++11)
template< class Traits, class CharT,

          class STraits, class SAlloc,
          class FTraits, class FAlloc >
std::basic_string<CharT,STraits,SAlloc>
    regex_replace( const std::basic_string<CharT,STraits,SAlloc>& s,
                   const std::basic_regex<CharT,Traits>& e,
                   const std::basic_string<CharT,FTraits,FAlloc>& fmt,
                   std::regex_constants::match_flag_type flags =

                       std::regex_constants::match_default );
(3) (depuis C++11)
template< class Traits, class CharT,

          class STraits, class SAlloc >
std::basic_string<CharT,STraits,SAlloc>
    regex_replace( const std::basic_string<CharT,STraits,SAlloc>& s,
                   const std::basic_regex<CharT,Traits>& e,
                   const CharT* fmt,
                   std::regex_constants::match_flag_type flags =

                       std::regex_constants::match_default );
(4) (depuis C++11)
template< class Traits, class CharT,

          class STraits, class SAlloc >
std::basic_string<CharT>
    regex_replace( const CharT* s,
                   const std::basic_regex<CharT,Traits>& e,
                   const std::basic_string<CharT,STraits,SAlloc>& fmt,
                   std::regex_constants::match_flag_type flags =

                       std::regex_constants::match_default );
(5) (depuis C++11)
template< class Traits, class CharT >

std::basic_string<CharT>
    regex_replace( const CharT* s,
                   const std::basic_regex<CharT,Traits>& e,
                   const CharT* fmt,
                   std::regex_constants::match_flag_type flags =

                       std::regex_constants::match_default );
(6) (depuis C++11)
1)
Construit un objet std::regex_iterator i comme par std::regex_iterator<BidirIt, CharT, traits> i(first, last, e, flags), et l'utilise pour faire défiler tous les matches de e dans le [first,last) séquence. Pour chaque match de tels m, copie la sous-séquence non appariée (m.prefix()) dans out comme ça, et puis remplace la sous-séquence correspond à la chaîne de remplacement formaté comme si en appelant m.format(out, fmt, flags). En l'absence de plus de correspondances sont trouvées, copie les autres non appariés caractères out .
Original:
Constructs a std::regex_iterator object i as if by std::regex_iterator<BidirIt, CharT, traits> i(first, last, e, flags), and uses it to step through every match of e within the sequence [first,last). For each such match m, copies the non-matched subsequence (m.prefix()) into out as-is and then replaces the matched subsequence with the formatted replacement string as if by calling m.format(out, fmt, flags). When no more matches are found, copies the remaining non-matched characters to out.
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S'il n'y a aucune correspondance, copie la séquence entière en tant que out-est .
Original:
If there are no matches, copies the entire sequence into out as-is.
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Si flags contient std::regex_constants::format_no_copy, les séquences non appariées sont pas copiés dans out .
Original:
If flags contains std::regex_constants::format_no_copy, the non-matched subsequences are not copied into out.
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Si flags contient std::regex_constants::format_first_only, seule la première correspondance est remplacé .
Original:
If flags contains std::regex_constants::format_first_only, only the first match is replaced.
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2)
identique à 1), mais le remplacement en forme est réalisée comme en appelant m.format(out, fmt, fmt + char_traits<charT>::length(fmt), flags)
Original:
same as 1), but the formatted replacement is performed as if by calling m.format(out, fmt, fmt + char_traits<charT>::length(fmt), flags)
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3-4)
Construit une chaîne vide result de std::basic_string<CharT, ST, SA> type et appelle std::regex_replace(std::back_inserter(result), s.begin(), s.end(), e, fmt, flags) .
Original:
Constructs an empty string result of type std::basic_string<CharT, ST, SA> and calls std::regex_replace(std::back_inserter(result), s.begin(), s.end(), e, fmt, flags).
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5-6)
Construit une chaîne vide result de std::basic_string<CharT> type et appelle std::regex_replace(std::back_inserter(result), s, s + std::char_traits<CharT>::length(s), e, fmt, flags) .
Original:
Constructs an empty string result of type std::basic_string<CharT> and calls std::regex_replace(std::back_inserter(result), s, s + std::char_traits<CharT>::length(s), e, fmt, flags).
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Sommaire

[modifier] Paramètres

first, last -
la séquence de caractères d'entrée, représentée comme une paire d'itérateurs
Original:
the input character sequence, represented as a pair of iterators
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s -
la séquence de caractères d'entrée, représenté comme std :: basic_string ou tableau de caractères
Original:
the input character sequence, represented as std::basic_string or character array
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e -
le std :: basic_regex qui sera en correspondance avec la séquence d'entrée
Original:
the std::basic_regex that will be matched against the input sequence
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flags -
les drapeaux du match de std::regex_constants::match_flag_type type
Original:
the match flags of type std::regex_constants::match_flag_type
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fmt -
la chaîne regex format de remplacement, la syntaxe exacte dépend de la valeur de flags
Original:
the regex replacement format string, exact syntax depends on the value of flags
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out -
itérateur de sortie pour stocker le résultat du remplacement
Original:
output iterator to store the result of the replacement
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Type requirements
-
OutputIt must meet the requirements of OutputIterator.
-
BidirIt must meet the requirements of BidirectionalIterator.

[modifier] Retourne la valeur

1-2)
Renvoie une copie de l'itérateur de sortie out .
Original:
Returns a copy of the output iterator out.
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3-6)
Retourne la chaîne de caractères qui contient result la sortie .
Original:
Returns the string result which contains the output.
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[modifier] Exceptions

Peut générer std::regex_error pour indiquer une condition d'erreur .
Original:
May throw std::regex_error to indicate an condition d'erreur.
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[modifier] Exemple

#include <iostream>
#include <regex>
#include <string>
int main()
{
   std::string text = "Quick brown fox";
   std::regex vowel_re("a|o|e|u|i");
   std::cout << std::regex_replace(text, vowel_re, "[$&]") << '\n';
}

Résultat :

Q[u][i]ck br[o]wn f[o]x

[modifier] Voir aussi

tente de faire correspondre une expression régulière de toute partie de la séquence de caractères
Original:
attempts to match a regular expression to any part of the character sequence
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(fonction générique) [edit]
options spécifiques à l'appariement
Original:
options specific to matching
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(typedef) [edit]