Answers for "c++ filesystem get file extension"

c++ get file extension

#include <iostream>
#include <string>
using namespace std;

string GetFileExtension(string Filename)
{
   size_t LastDot = Filename.find_last_of(".");

   if (LastDot == string::npos)
   {
      return ""; // No extension in Filename string
   }

   return Filename.substr(LastDot);
}