}
if ( scalar(@sort_by) > 0 ) {
my $modifier_re =
'#(' . join( '|', @{ $QParser->modifiers } ) . ')';
'#(' . join( '|', @{ $QParser->modifiers } ) . ')\b';
$query =~ s/$modifier_re//g;
foreach my $modifier (@sort_by) {
$query .= " #$modifier";
-