function firstChar( $s ) {
preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
- '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})', $s, $matches);
+ '[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})/', $s, $matches);
return isset( $matches[1] ) ? $matches[1] : "";
}