std::basic_string::replace

 

C++

Linguaggio

Concetti

Libreria di Utilità

Stringhe

Contenitori

Algoritmi

Iteratori

Libreria matematca

Input/output

Localizzazione

Espressioni regolari (C++11)

Operazioni atomicche (C++11)

Multithreading (C++11)

 

Stringhe libreria

Null-stringhe terminate Original: Null-terminated strings The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Byte stringhe

Multibyte stringhe

Stringhe larghe

Classi 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_string

char_traits

 

std::basic_string

Membri funzioni Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

basic_string::basic_string

basic_string::operator=

basic_string::assign

basic_string::get_allocator

Elemento accesso Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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

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

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

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

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

basic_string::npos

Non membri funzioni Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

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

hash<std::string> hash<std::wstring> hash<std::u32string> hash<std::u16string> (C++11)

 

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 The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
count	-	lunghezza della sottostringa che sta per essere sostituito Original: length of the substring that is going to be replaced The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first, last	-	intervallo di caratteri che sta per essere sostituito Original: range of characters that is going to be replaced The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
str	-	stringa da utilizzare per la sostituzione Original: string to use for replacement The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
pos2	-	inizio della sottostringa da sostituire con Original: start of the substring to replace with The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
count2	-	numero di caratteri da sostituire con Original: number of characters to replace with The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
cstr	-	puntatore alla stringa di caratteri da utilizzare per la sostituzione Original: pointer to the character string to use for replacement The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
ch	-	carattere di valore da utilizzare per la sostituzione Original: character value to use for replacement The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first2, last2	-	gamma di caratteri da utilizzare per la sostituzione Original: range of characters to use for replacement The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
init	-	lista di inizializzazione con i caratteri da utilizzare per la sostituzione Original: initializer list with the characters to use for replacement The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
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.