search-form-input-button.php

<?php
/**-------------------------------------------
* @package Code Snippets
* @link http://rhythmshahriar.com/code/
* @author Rhythm <[email protected]>
* @copyright Copyright (c) 2013, Rhythm Shahriar
-------------------------------------------------*/
//Customize search form button
add_filter( 'genesis_search_button_text', 'rs_search_button_text' );
function rs_search_button_text( $text ) {
return esc_attr( 'Search' );
}

search-form-input-text.php

<?php
/**-------------------------------------------
* @package Code Snippets
* @link http://rhythmshahriar.com/code/
* @author Rhythm <[email protected]>
* @copyright Copyright (c) 2013, Rhythm Shahriar
-------------------------------------------------*/

// Customize search form input text
add_filter( 'genesis_search_text', 'rs_search_text' );
function rs_search_text( $text ) {
return esc_attr( 'Search my website ...' );
}

search-form-label.php

<?php
/**-------------------------------------------
* @package Code Snippets
* @link http://rhythmshahriar.com/code/
* @author Rhythm <[email protected]>
* @copyright Copyright (c) 2013, Rhythm Shahriar
-------------------------------------------------*/

// Customize search form label
add_filter( 'genesis_search_form_label', 'rs_search_form_label' );
function rs_search_form_label ( $text ) {
return esc_attr( 'Your Custom Label' );
}