Varianti

    std::basic_string::replace

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    <metanoindex/>

     
    C++
     
    Stringhe libreria
    Null-stringhe terminate
    Original:
    Null-terminated strings
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    Byte stringhe
    Multibyte stringhe
    Stringhe larghe
    Classi
    Original:
    Classes
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    basic_string
    char_traits
     
    std::basic_string
    Membri funzioni
    Original:
    Member functions
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    basic_string::basic_string
    basic_string::operator=
    basic_string::assign
    basic_string::get_allocator
    Elemento accesso
    Original:
    Element access
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    basic_string::at
    basic_string::operator[]
    basic_string::front(C++11)
    basic_string::back(C++11)
    basic_string::data
    basic_string::c_str
    Iteratori
    Original:
    Iterators
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    basic_string::begin
    basic_string::cbegin
    (C++11)
    basic_string::end
    basic_string::cend
    (C++11)
    basic_string::rbegin
    basic_string::crbegin
    (C++11)
    basic_string::rend
    basic_string::crend
    (C++11)
    Capacità
    Original:
    Capacity
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    basic_string::empty
    basic_string::size
    basic_string::length
    basic_string::max_size
    basic_string::reserve
    basic_string::capacity
    basic_string::shrink_to_fit(C++11)
    Operazioni
    Original:
    Operations
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    basic_string::clear
    basic_string::insert
    basic_string::erase
    basic_string::push_back
    basic_string::pop_back(C++11)
    basic_string::append
    basic_string::operator+=
    basic_string::compare
    basic_string::replace
    basic_string::substr
    basic_string::copy
    basic_string::resize
    basic_string::swap
    Cerca
    Original:
    Search
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    basic_string::find
    basic_string::rfind
    basic_string::find_first_of
    basic_string::find_first_not_of
    basic_string::find_last_of
    basic_string::find_last_not_of
    Costanti
    Original:
    Constants
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    basic_string::npos
    Non membri funzioni
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    Non-member functions
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    operator+
    operator==
    operator!=
    operator<
    operator>
    operator<=
    operator>=
    swap(std::basic_string)
    operator<<
    operator>>
    getline
    stoi
    stol
    stoll    		(C++11)
    (C++11)
    (C++11)
    stoul
    stoull    		(C++11)
    (C++11)
    stof
    stod
    stold    		(C++11)
    (C++11)
    (C++11)
    to_string(C++11)
    to_wstring(C++11)
    Helper classi
    Original:
    Helper classes
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    hash<std::string>
    hash<std::wstring>
    hash<std::u32string>
    hash<std::u16string>    		(C++11)
     
    <tbody> </tbody>
    basic_string& replace( size_type pos, size_type count, const basic_string& str ); basic_string& replace( const_iterator first, const_iterator last, const basic_string& str );
    		 (1)
    basic_string& replace( size_type pos, size_type count, const basic_string& str, size_type pos2, size_type count2 ); template< class InputIt > basic_string& replace( const_iterator first, const_iterator last, InputIt first2, InputIt last2 );
    		 (2)
    basic_string& replace( size_type pos, size_type count, const CharT* cstr, size_type count2 ); basic_string& replace( const_iterator first, const_iterator last, const CharT* cstr, size_type count2 );
    		 (3)
    basic_string& replace( size_type pos, size_type count, const CharT* cstr ); basic_string& replace( const_iterator first, const_iterator last, const CharT* cstr );
    		 (4)
    basic_string& replace( size_type pos, size_type count, size_type count2, CharT ch ); basic_string& replace( const_iterator first, const_iterator last, size_type count2, CharT ch );
    		 (5)
    basic_string& replace( const_iterator first, const_iterator last, std::initializer_list<CharT> ilist );
    		 (6) (dal C++11)
    Sostituisce la parte della stringa indicata da una [pos, pos + count) o [first, last) con una nuova stringa.
    Original:
    Replaces the part of the string indicated by either [pos, pos + count) or [first, last) with a new string.
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    La nuova stringa può essere:
    Original:
    The new string can be one of:
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    1)

    stringa str
    Original:
    string str
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    2)

    sottostringa [pos2, pos2 + count2) di str o caratteri nel [first2, last2) gamma
    Original:
    substring [pos2, pos2 + count2) of str or characters in the range [first2, last2)
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    3)

    charcters count2 prima della stringa di caratteri puntata da cstr
    Original:
    first count2 charcters of the character string pointed to by cstr
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    4)

    terminazione null stringa di caratteri puntata da cstr
    Original:
    null-terminated character string pointed to by cstr
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    5)

    count2 copie di ch carattere
    Original:
    count2 copies of character ch
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    6)

    personaggi del ilist lista di inizializzazione
    Original:
    characters in the initializer list ilist
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    Parametri

    pos -
    inizio della sottostringa che sta per essere sostituito
    Original:
    start of the substring that is going to be replaced
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    count -
    lunghezza della sottostringa che sta per essere sostituito
    Original:
    length of the substring that is going to be replaced
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    first, last -
    intervallo di caratteri che sta per essere sostituito
    Original:
    range of characters that is going to be replaced
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    str -
    stringa da utilizzare per la sostituzione
    Original:
    string to use for replacement
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    pos2 -
    inizio della sottostringa da sostituire con
    Original:
    start of the substring to replace with
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    count2 -
    numero di caratteri da sostituire con
    Original:
    number of characters to replace with
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    cstr -
    puntatore alla stringa di caratteri da utilizzare per la sostituzione
    Original:
    pointer to the character string to use for replacement
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    ch -
    carattere di valore da utilizzare per la sostituzione
    Original:
    character value to use for replacement
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    first2, last2 -
    gamma di caratteri da utilizzare per la sostituzione
    Original:
    range of characters to use for replacement
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    init -
    lista di inizializzazione con i caratteri da utilizzare per la sostituzione
    Original:
    initializer list with the characters to use for replacement
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    Type requirements
    -
    InputIt must meet the requirements of InputIterator.

    Valore di ritorno

    *this

    Eccezioni

    std::out_of_range if pos > length() or pos2 > str.length()

    std::length_error se la stringa risultante supera la lunghezza massima possibile stringa (std::string::npos - 1)
    Original:
    std::length_error if the resulting string will exceed maximum possible string length (std::string::npos - 1)
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    Esempio

    #include <iostream>
#include <string>

int main()
{
    std::string str("The quick brown fox jumps over the lazy dog.");
    
    str.replace(10, 5, "red"); // (4)
    
    str.replace(str.begin(), str.begin() + 3, 1, 'A'); // (5)
    
    std::cout << str << '\n';
}

    Output: 

    A quick red fox jumps over the lazy dog.