# static scalar variables.
$mask{ip} = '(\d+)\.(\d+)\.(\d+)\.(\d+)';
$mask{host} = '[\d\w\_\-\/]+\.[\.\d\w\_\-\/]+';
-$mask{chan} = '[\#\&]\S*';
+$mask{chan} = '[\#\&]\S*|_default';
my $isnick1 = 'a-zA-Z\[\]\{\}\_\`\^\|\\\\';
my $isnick2 = '0-9\-';
$mask{nick} = "[$isnick1]{1}[$isnick1$isnick2]*";