Woocommerce cart change by putting the code in functions.php

Woocommerce cart text change

//archive page or main page

add_filter( 'woocommerce_product_add_to_cart_text', 'woo_custom_product_add_to_cart_text_themepaint' );  // 2.1 +
  
function woo_custom_product_add_to_cart_text_themepaint() {
  
    return __( 'Buy it on ebay', 'woocommerce' );
  
}

//product single page


add_filter( 'woocommerce_product_single_add_to_cart_text', 'woo_custom_single_add_to_cart_text_themepaint' );  // 2.1 +
  
function woo_custom_single_add_to_cart_text_themepaint() {
  
    return __( 'Buy it on ebay', 'woocommerce' );
  
}