/**
  * check "bad" words by TextRegex extension
  */
 public static function checkBadWords($sText, $where, $split = false)
 {
     wfProfileIn(__METHOD__);
     if (!wfRunHooks('AutoCreateWiki::checkBadWords', array($sText, $where, $split))) {
         return false;
     }
     // TODO: temporary check for Phalanx (don't perform additional filtering when enabled)
     global $wgEnablePhalanxExt;
     if (!empty($wgEnablePhalanxExt)) {
         return true;
     }
     $allowed = true;
     $oRegexCore = new TextRegexCore("creation", 0);
     if ($oRegexCore instanceof TextRegexCore) {
         $newText = preg_replace("/[^a-z0-9]/i", "", $sText);
         #--
         if ($split == true) {
             $aWordsInText = preg_split("/[\\s,]+/", $newText);
         } else {
             $aWordsInText = array($newText);
         }
         $allowed = $oRegexCore->isAllowedText($aWordsInText, wfMsg('autocreatewiki-regex-error-comment', $where, $sText));
     }
     #---
     wfProfileOut(__METHOD__);
     return $allowed;
 }