rickgregory

function my_coupon_strings( $translated_text, $text, $domain ) {
    switch ( $translated_text ) {
        case 'Coupon code' :
            $translated_text = __( 'My New Coupon Code Text', 'woocommerce' ); // Change text here
            break;
    }
    return $translated_text;
}
add_filter( 'gettext', 'my_coupon_strings', 10, 3 );

rickgregory

<?php 
/* Changes the word Shipping to Delivery in the Woocommerce cart. Credit to Loictheaztec https://stackoverflow.com/a/53016991 */
add_filter('woocommerce_shipping_package_name', 'change_shipping_text_to_delivery', 20, 3 );
function change_shipping_text_to_delivery( $sprintf, $i, $package ) {
    $sprintf = sprintf( _nx( 'Delivery', 'Delivery %d', ( $i + 1 ), 'delivery packages', 'woocommerce' ), ( $i + 1 ) );
    return $sprintf;
}
?>