$checks{'data'} =~ s/\s+$//;
  $checks{'data'} =~ s/^\s+//;
  $checks{'data'} =~ s/\s+/ /g;

##</code><code>##

$checks{'regex'} ||= $default;

##</code><code>##

$checks{'regex'} = $checks{'regex'} ? $checks{'regex'} : $default;

##</code><code>##

exists($checks{'regex'}) or $checks{'regex'} = $default;