General Complete name

members?field_a=valuea&field_b=valueb
    
members/valuea/valueb
    
/**
 * Implements hook_url_inbound_alter().
 */
function foo_url_outbound_alter(&$path, &$options, $original_path) {
  if (arg(0) == 'panel_url') {
    // Convert URL like: /panel_url?category=29 into /panel_url/term_name (SEO friendly)
    $path_info = parse_url($path);
    switch (@$path_info['path']) {
      case 'panel_url/term_name':
      case 'panel_url/term_name2':
        $path = 'panel_url/all'; // Convert loopy urls into base url
    }
    if (strpos($path, '?category=') !== FALSE) { // Convert term id into human name
      list(, $tid) = explode('=', current(explode('&', $path_info['query']))); // get tid from URL
      $term_name = strtolower(taxonomy_term_load((int)$tid)->name);
      $path = '/panel_url' . '/' . $term_name; // See also: $path_info['path']
    }
  }
}
    
function hook_form_alter(&$form, &$form_state, $form_id) {  
  if ($form_id == "abcd") {
    $form['#submit'] = array('custom_search_redirect');
  }
}


function custom_search_redirect($form, &$form_state) { 
  $form_state['redirect'] = "members/valuea/valueb;
}