code: public boolean hasUppercaseVariations(int base, boolean lowerOnly) {
  		if(base > 10) {
  			int count = getSegmentCount();
  			for(int i = 0; i < count; i++) {
  				IPv6AddressSegment seg = getSegment(i);
  				if(seg.hasUppercaseVariations(base, lowerOnly)) {
  					return true;
  				}
  			}
  		}
  		return false;
  	}
docs: Returns whether this subnet or address has alphabetic digits when printed.
  
  Note that this method does not indicate whether any address contained within this subnet has alphabetic digits,
  only whether the subnet itself when printed has alphabetic digits.
  
  @return whether the section has alphabetic digits when printed.