The following code example is taken from the book
The C++ Standard Library - A Tutorial and Reference, 2nd Edition
by Nicolai M. Josuttis, Addison Wesley Longman, 2012
Copyright © 2012 by Pearson Education, Inc. and Nicolai M. Josuttis
#include "icstring.hpp"
int main()
{
using std::cout;
using std::endl;
icstring s1("hallo");
icstring s2("otto");
icstring s3("hALLo");
cout << std::boolalpha;
cout << s1 << " == " << s2 << " : " << (s1==s2) << endl;
cout << s1 << " == " << s3 << " : " << (s1==s3) << endl;
icstring::size_type idx = s1.find("All");
if (idx != icstring::npos) {
cout << "index of \"All\" in \"" << s1 << "\": "
<< idx << endl;
}
else {
cout << "\"All\" not found in \"" << s1 << endl;
}
}