there is no way to go up and make the change

Not necessarily...

use warnings;
use strict;
use IO::Prompter;
use Email::Valid;

my @fields = (
    { name=>'name', desc=>'Name', prompter => { -must => { 
        'be at least three characters' => qr{\A\w{3,}} } } },
    { name=>'mail', desc=>'EMail', prompter => { -must => {
        'be a valid email address' =>
            sub { Email::Valid->address(shift) } } } },
    { name=>'date', desc=>'Date', prompter => { -must => {
        'be in the format DD.MM.YYYY' =>
            qr{\A\d\d?\.\d\d?\.\d\d\d\d\z} } } },
    { name=>'pass', desc=>'Password', prompter => { -echo => '*' } },
);

my %data;
INPUT: {
    for my $f (@fields) {
        my $default = '';
        if ( defined $f->{prompter}{-default} ) {
            if ( defined $f->{prompter}{-echo} ) {
                $default = " [" . ( $f->{prompter}{-echo}
                    x length($f->{prompter}{-default}) ) . "]";
            }
            else {
                $default = " [" . $f->{prompter}{-default} . "]";
            }
        }
        my $rv = prompt( $f->{desc} . $default . ':',
            %{ $f->{prompter} } );
        $data{ $f->{name} } = "$rv";
        $f->{prompter}{-default} = "$rv";
    }
    prompt("Is this correct?", -Y1) or redo INPUT;
}

use Data::Dump; dd \%data;
[download]

Although if you really want it to be like a web form, LanX's suggestion is probably better for that.