Aliases on Russian

    function cleanAlias($alias) {
        global $modx;

        $charset = $this->xpdo->getOption('modx_charset',null,'UTF-8'); // determine the charset
        $charset = !empty($charset) ? strtoupper($charset) : 'UTF-8';

        $alias = html_entity_decode($alias, ENT_QUOTES, $charset); // convert html entity codes into normal text
        $alias = strip_tags($alias); // remove html

        // find the value to replace '&'
        $modx->lexicon->load('default');
        $and = $modx->lexicon('and');
        $alias = str_replace('&',$and,$alias);

        $alias = str_replace(html_entity_decode(' '),' ',$alias); // replace non-breaking spaces with normal spaces

        // let user preserve uppercase (useful for CamelCaseURLs)
        if($this->xpdo->getOption('alias_allow_uppercase',null,0) != 1 ) {
            $alias = mb_convert_case($alias, MB_CASE_LOWER, $charset); // convert to lowercase
        }

        $unsafechars = '/[\0\x0B\t\n\r\f\a&=+%#<>"~`@\?\[\]\{\}\|\^\'\\\\]/'; // pattern to match reserved and unsafe chars
        $alias = preg_replace($unsafechars, '', $alias); // clean the alias
        $alias = trim($alias);

        $separator = $this->xpdo->getOption('alias_word_separator',null,'-'); // let user use a special separator or no separator
        $separator = preg_replace($unsafechars, '', $separator); // clean the separator
        $alias = preg_replace('/\s+/', $separator, $alias); // replace whitespace with the separator

        if ($this->xpdo->getOption('alias_allow_punctuation',null,0) != 1) {
            $alias= preg_replace('/[;:!\,\.\/\(\)\*]/', '', $alias); // remove common punctuation including . and /
        }

        // collapse common separators (yes, a space is allowed as a separate if someone really wants to use it
        $alias = preg_replace('|-+|', '-', $alias);
        $alias = preg_replace('|_+|', '_', $alias);
        $alias = preg_replace('| +|', ' ', $alias);

        // collapse characters that could cause directory problems (while still allowing pseudo folders)
        $alias = preg_replace('|\/+|', '/', $alias);
        $alias = preg_replace('|\.+|', '.', $alias);  // don't allow ..
        $alias = preg_replace('/\.\//', '.', $alias); // don't allow ./

        // clean up the begining and end of the alias, also removing path chars from beginning and end
        $alias = trim($alias, ' -/.');

        return $alias;
    }