<propertyselector property="file1.list" delimiter="," match="prefixfile1\.(.+)" select="\1"/>
<propertyselector property="file2.list" delimiter="," match="prefixfile2\.(.+)" select="\1"/>
<propertyselector property="file1.list" delimiter="," match="prefixfile1\.(.+)" select="\1"/>
<propertyselector property="file2.list" delimiter="," match="prefixfile2\.(.+)" select="\1"/>