use File::Find::Rule qw( );

my @files = File::Find::Rule
    ->name( qr/^\d{8}\.\d{6}\.host\d\.\d{1,6}$/ )
    ->file()
    ->maxdepth(1)
    ->in( $path );
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The advantage is that you get qualified file names.

It's cheaper to execute a regex match than to check if a file is a plain file, so I reversed the order of the tests.