c++ compare strings ignore case
#include <boost/algorithm/string.hpp>
// Or, for fewer header dependencies:
//#include <boost/algorithm/string/predicate.hpp>
std::string str1 = "hello, world!";
std::string str2 = "HELLO, WORLD!";
if (boost::iequals(str1, str2))
{
// Strings are identical
}how to compare strings in c++
// comparing apples with apples
#include <iostream>
#include <string>
int main ()
{
std::string str1 ("green apple");
std::string str2 ("red apple");
if (str1.compare(str2) != 0)
std::cout << str1 << " is not " << str2 << '\n';
if (str1.compare(6,5,"apple") == 0)
std::cout << "still, " << str1 << " is an apple\n";
if (str2.compare(str2.size()-5,5,"apple") == 0)
std::cout << "and " << str2 << " is also an apple\n";
if (str1.compare(6,5,str2,4,5) == 0)
std::cout << "therefore, both are apples\n";
return 0;
}c++ compare strings
// comparing both using inbuilt function
int x = s1.compare(s2);
if (x !=0)
//strings are not equal
else
//strings are equalcompare string c++
int compare (const string& str) const;Copyright © 2021 Codeinu
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