std::sub_match::operator string_type, std::sub_match::str

Da cppreference.com.
< cpp‎ | regex‎ | sub match

 
 
Espressioni regolari libreria
Classi
Original:
Classes
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basic_regex(C++11)
sub_match(C++11)
match_results(C++11)
Algoritmi
Original:
Algorithms
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regex_match(C++11)
regex_search(C++11)
regex_replace(C++11)
Iteratori
Original:
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
Original:
Traits
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regex_traits(C++11)
Costanti
Original:
Constants
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syntax_option_type(C++11)
match_flag_type(C++11)
error_type(C++11)
 
std::sub_match
Membri funzioni
Original:
Member functions
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sub_match::sub_match(C++11)
sub_match::length(C++11)
sub_match::str
sub_match::operator string_type
(C++11)
sub_match::compare(C++11)
Non membri funzioni
Original:
Non-member functions
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operator==
operator!=
operator<<
operator<=
operator>
operator>=
(C++11)
operator<<(C++11)
 
operator string_type()const;
(1)
string_type str()const;
(2)
1)
Converte in modo implicito a un oggetto del tipo std::basic_string sottostante.
Original:
Implicitly converts to an object of the underlying std::basic_string type.
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2)
Converte in modo esplicito a un oggetto del tipo std::basic_string sottostante.
Original:
Explicitly converts to an object of the underlying std::basic_string type.
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Indice

[modifica]Parametri

(Nessuno)
Original:
(none)
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[modifica]Valore di ritorno

Restituisce la sequenza di caratteri corrispondente come un oggetto del tipo std::basic_string sottostante. Se il membro matched è falsa la stringa vuota viene restituita.
Original:
Returns the matched character sequence as an object of the underlying std::basic_string type. If the matched member is false then the empty string is returned.
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[modifica]Complessità

Lineare nella lunghezza della sequenza di caratteri sottostante.
Original:
Linear in the length of the underlying character sequence.
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[modifica]Esempio

std::ssub_match sm;std::string s = sm;// implicit conversionstd::cout<< s.length()<<'\n';

Output:

​0​
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