Filtering European ASCII characters

Regarding ...
http://en.wikipedia.org/wiki/ISO/IEC_8859-1#Codepage_layout
... you may use the Mp3tag filter ...
ARTIST MATCHES "[\xc0-\xff]"
... or ...
ARTIST MATCHES "[ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖרÙÚÛÜÝÞßàáâãä
åæçèéêëìíîïðñòóôõö÷øùúûüýþÿ]"

DD.20140615.0810.CEST