[Woocommerce] How to Change Buy Product Button Text

Single Product Page
add_filter( 'woocommerce_product_single_add_to_cart_text', 'wc_custom_cart_button_text' ); // Woocommerce 2.1 +

function wc_custom_cart_button_text() {

return __( 'Buy via AliExpress', 'woocommerce' );

}


Archive Page
add_filter( 'woocommerce_product_add_to_cart_text', 'wc_archive_custom_cart_button_text' ); // Woocommerce 2.1 +

function wc_archive_custom_cart_button_text() {

return __( 'Buy via AliExpress', 'woocommerce' );

}