use overload; # required for either

# qr// constructs are NOT considered blessed objects.
sub blessed($) {

   (ref($_[0]) && (index(overload::StrVal($_[0]),'=')>=0) 
    && overload::StrVal($_[0])!~/^Regexp=SCALAR/) 
      ? ref($_[0]) : ""
} 

# qr// constructs ARE considered blessed objects
sub blessed($) {
   (ref($_[0]) && (index(overload::StrVal($_[0]),'=')>=0)) 
      ? ref($_[0]) : ""
}