as in...
??Code:// Validate.h
namespace valid
{
bool driverIDValidator(const std::string& id);
}
// Validate.cpp
#include "Validate.h"
bool valid::driverIDValidator(const std::string& id);
{
static const boost::regex e("^[0-9]{6}[0-9]{4}[0-9]{3}$");
return regex_match(id, e);
}

