my $FROM_CONFIG = qr{
(?<config>
    ^
    \s*
    config
    (?<config_name>
        [^\r\n]+
    )
    [\r\n]+
)
|
(?<closer> ^ \s* (?:end|next) \s* [\r\n]+ )
|
(?<edit>
    ^
    \s*
    (?i:edit)
    \s*
    "(?<edit_quoted> [^"]+ )"
    \s*
    [\r\n]+
)
|
(?<set>
    ^
    \s*
    (?i:set)
    \s+
#~     (?<set_key> \w+ )
    (?<type> \w+ )
    \s+
#~     "(?<set_val> [^"]+ )"
#~     \s*
    (?<val> [^\r\n]++ )
    [\r\n]+
)
|
(?<UHOH> . )
}xms;

my @stack = {};

while( $raw =~ m{$FROM_CONFIG}g ){

    my $freeze = { %+ };
#~     dd( $freeze );
    if( $freeze->{config} ){
        my $new = {};
        $stack[-1]->{ $freeze->{config_name} } = $new;
        push @stack, $new;
    }elsif( $freeze->{edit} ){
        my $new = {};
        $stack[-1]->{ $freeze->{edit_quoted} } = $new;
        push @stack, $new;
    }elsif( $freeze->{set} ){
        $stack[-1]->{ $freeze->{type} } = $freeze->{val};
    }elsif( $freeze->{closer} ){
        pop @stack;
    }
}

dd( \@stack );
__END__