Untitled

add_filter( 'woocommerce_registration_redirect', 'custom_reg_redirect', 1000000, 2 );
function custom_reg_redirect( $redirect, $user ) {

    $is_b2b = get_user_meta($user->ID, 'b2bking_b2buser', true);

    if ( $is_b2b === 'yes' ){
    	$redirect = '/page1'; // B2B page here
    } else {
    	$redirect = '/page2'; // B2C page here
    }

    return $redirect;
}