repair_inline_links.module

<?php
 
/**
 * Implements hook_filter_info().
 */
function repair_inline_links_filter_info() {
  $filters = array();
  $filters['repair_inline_links'] = array(
    'title' => t('Repair inline links'),
    'process callback' => '_repair_inline_links_filter',
  );
  return $filters;
}

function _repair_inline_links_filter($text, $filter, $format, $langcode, $cache, $cache_id) {

  return preg_replace('/\/(sites\/[^\/]+)\//', '/'.conf_path().'/', $text);
}