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

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< cpp‎ | regex‎ | sub match

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C++
 
Biblioteca de expressões regulares
Classes
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Classes
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(C++11)
(C++11)
(C++11)
Algoritmos
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Algorithms
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(C++11)
(C++11)
(C++11)
Iteradores
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Iterators
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(C++11)
(C++11)
Exceções
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Exceptions
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(C++11)
Características
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Traits
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(C++11)
Constantes
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Constants
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(C++11)
(C++11)
(C++11)
 
std::sub_match
Funções de membro
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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)
Não-membros funções
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Non-member functions
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(C++11)
(C++11)
 
operator string_type() const;
 (1)
string_type str() const;
 (2)
1)
Implicitamente converte para um objeto do tipo std::basic_string subjacente.
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Implicitly converts to an object of the underlying std::basic_string type.
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2)
Converte explicitamente a um objeto do tipo std::basic_string subjacente.
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Explicitly converts to an object of the underlying std::basic_string type.
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Índice

[editar] Parâmetros

(Nenhum)
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(none)
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[editar] Valor de retorno

Retorna a seqüência de caracteres combinados como um objeto do tipo std::basic_string subjacente. Se o membro matched é falso então a string vazia é retornada.
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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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[editar] Complexidade

Linear no comprimento da seqüência de caracteres de base.
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Linear in the length of the underlying character sequence.
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[editar] Exemplo

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

Saída: 

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