[comment] [/comment] tag

$escapeChars = array('.','\\','/','+','*','?','[','^',']','$;,'(',')','{','}','=','!','<','>','|',':');

// escape special regex characters
$escapeChars = array('.','\\','/','+','*','?','[','^',']','%body%#039;,'(',')','{','}','=','!','<','>','|',':');
foreach ($escapeChars as $value) {
	$commentOpenTag = str_replace($value,'\\'.$value,$commentOpenTag);
	$commentCloseTag = str_replace($value,'\\'.$value,$commentCloseTag);
}

$commentOpenTag = preg_quote($commentOpenTag);
$commentCloseTag = preg_quote($commentCloseTag);