How to Change N/A if SKU is empty in Woocommerce

In this tutorial, I will teach How to Change N/A if SKU is empty in Woocommerce. as a default, it set to N/A but using this code you can easily change it.

Copy the code below in your functions.php

// Translate N/A to Select Option
add_filter( 'gettext', 'custom_na_translate_woo_wording', 10, 3 );
function custom_na_translate_woo_wording($translation, $text, $domain) {
  if ($domain == 'woocommerce') {
    switch ($text) {
      case 'N/A':
        $translation = 'Select Option';
        break;
    }
  }

  return $translation;
}