if ($adress1 =~ /^([A-Za-z0-9φδεΦΔΕ][A-Za-zφδεΦΔΕ0-9\s\-\.\,]*)$/) {
    $adress1 = $1;
}
if ($adress2 =~ /^([A-Za-z0-9φδεΦΔΕ][A-Za-zφδεΦΔΕ0-9\s\-\.\,]*)$/) {
    $adress2 = $1;
}