unless (&check_name($app{"first_name"})) {
    undef $app{"first_name"};
    push (@errors, "Helpful message...");
}

##</code><code>##

sub print_application {
    header,
    start_html,
    table({-border=>'0' -class=>'boxed'},
    Tr(
        [
            td([b('First Name:'), "$app{'first_name'}"])
        ]
    ),
    p("Value is", $app{'first_name'}),
    pre(
        Dumper \@errors,
        Dumper \%app
    ),
    end_html;
}

##</code><code>##

A form element with the value "nameCheckFailsIfNumbersPresent12345" in a table, and...

Value is  # <- undef here has it should be. But not above?

$VAR1 = [
          'Names must be between two and forty total characters, start with an initial capitol, and may only contact alphabetical characters, a dash, or an apostrophe.'
        ];
 $VAR2 = '$VAR1 = {
          \'first_name\' => undef
        };
';