◐ Shell
clean mode source ↗

std::basic_string::replace - cppreference.com

Da cppreference.com.

Questa pagina è stata tradotta in modo automatico dalla versione in ineglese della wiki usando Google Translate.

La traduzione potrebbe contenere errori e termini strani. Muovi il puntatore sopra al testo per vedere la versione originale. Puoi aiutarci a correggere gli gli errori. Per ulteriori istruzioni clicca qui.

Click here for the English version of this page

<metanoindex/>

<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.

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

La nuova stringa può essere:

Original:

The new string can be one of:

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

1)

stringa str

Original:

string str

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

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)

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

3)

charcters count2 prima della stringa di caratteri puntata da cstr

Original:

first count2 charcters of the character string pointed to by cstr

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

4)

terminazione null stringa di caratteri puntata da cstr

Original:

null-terminated character string pointed to by cstr

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

5)

count2 copie di ch carattere

Original:

count2 copies of character ch

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

6)

personaggi del ilist lista di inizializzazione

Original:

characters in the initializer list ilist

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

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)

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

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.