"find in string c++" Code Answer's
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index string c++
#include <string>
#include <iostream>
int main(){
//index string by using brackets []
std::string string = "Hello, World!";
//assign variable to string index
char stringindex = string[2];
}
c++ string contains
if (string1.find(string2) != std::string::npos) {
std::cout << "found!" << '\n';
}
std string find character c++
// string::find
#include <iostream> // std::cout
#include <string> // std::string
int main ()
{
std::string str ("There are two needles in this haystack with needles.");
std::string str2 ("needle");
// different member versions of find in the same order as above:
std::size_t found = str.find(str2);
if (found!=std::string::npos)
std::cout << "first 'needle' found at: " << found << '\n';
found=str.find("needles are small",found+1,6);
if (found!=std::string::npos)
std::cout << "second 'needle' found at: " << found << '\n';
found=str.find("haystack");
if (found!=std::string::npos)
std::cout << "'haystack' also found at: " << found << '\n';
found=str.find('.');
if (found!=std::string::npos)
std::cout << "Period found at: " << found << '\n';
// let's replace the first needle:
str.replace(str.find(str2),str2.length(),"preposition");
std::cout << str << '\n';
return 0;
}
Source: www.cplusplus.com
string .find in c++
std::string t = "Banana Republic";
std::string s = "nana";
std::string::size_type i = t.find(s);
if (i != std::string::npos)
t.erase(i, s.length());
c++ find string in string
#include <iostream>
#include <string>
#include <algorithm>
#include <functional>
int main()
{
std::string in = "Lorem ipsum dolor sit amet, consectetur adipiscing elit,"
" sed do eiusmod tempor incididunt ut labore et dolore magna aliqua";
std::string needle = "pisci";
auto it = std::search(in.begin(), in.end(),
std::boyer_moore_searcher(
needle.begin(), needle.end()));
if(it != in.end())
std::cout << "The string " << needle << " found at offset "
<< it - in.begin() << '\n';
else
std::cout << "The string " << needle << " not found\n";
}
Source: stackoverflow.com
find in string c++
size_t find (const string& str, size_t pos = 0) const;
Source: www.cplusplus.com
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