#include <iostream>
#include <string>
int main()
{
const std::string args[1] = { "james.parsons@cplusplus.com" } ;
auto pos = args[0].find( '@' ) ;
if( pos != std::string::npos )
{
const std::string user = args[0].substr( 0, pos ) ;
const std::string host = args[0].substr( pos+1 ) ;
std::cout << "user: " << user << " host: " << host << '\n' ;
}
}
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