#include
#include
using namespace std;
int main( )
{
string typing( "The quick, brown fox jumps over the lazy dog" );
cout << "String: " << typing << endl;
// equivalent of strspn()
string::size_type index = typing.find_first_not_of( "aeiou" );
if( index != string::npos )
cout << "\nThe first letter that is not a lower-case vowel "
"is at index " << index;
else
cout << "\nAll letters in the string are lower-case vowels";
}