function block_blogspot_username($user_login, $user_email, $errors) { // Check if the username contains "blogspot" if (strpos($user_login, 'blogspot') !== false) { $errors->add('blogspot_error', 'Registrations with blogspot in the username are not allowed.'); } } add_action('user_profile_update_errors', 'block_blogspot_username', 10, 3); add_action('woocommerce_registration_errors', 'block_blogspot_username', 10, 3); {"version":"1.0","provider_name":"Castlel kitchen","provider_url":"https:\/\/castelkitchen.com","title":"Home","type":"rich","width":600,"height":338,"html":"
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