Using filters within Event Espresso to change some of the strings during registration to 'Next'

example.php

<?php //Please do not include the opening PHP tag if you already have one 

function tw_return_next_string() {
	return 'Next';
}
add_filter('FHEE__EE_SPCO_Reg_Step__set_submit_button_text___submit_button_text', 'tw_return_next_string');
add_filter('FHEE__EE_Ticket_Selector__display_ticket_selector_submit__btn_text', 'tw_return_next_string', 20, 2);
add_filter('FHEE__EED_Multi_Event_Registration__proceed_to_registration_btn_txt', 'tw_return_next_string');