(C++) IsInt

IsInt is a checking code snippet to check if a std::string can be converted to an integer.

CanCast and CanLexicalCast are more general versions of IsInt.


#include <sstream>

 

///IsInt determines if std::string can be converted to integer.

///From http://www.richelbilderbeek.nl/CppIsInt.htm

bool IsInt(const std::string& s)

{

  std::istringstream i(s);

  int temp;

  return (i >> temp) ? true : false;

}

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