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 $checks{'data'} =~ s/\s+/ /g;
 # remove leading and trailing blanks
 $checks{'data'} =~ s/^\s+//;
 $checks{'data'} =~ s/\s+$//;

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

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

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