public function __construct()
{
$this->tokenizer = new Tokenizer([self::TOKEN_STRING => self::RE_STRING, self::TOKEN_LBRACKET => '\\[', self::TOKEN_RBRACKET => '\\]', self::TOKEN_EQUAL => '=', self::TOKEN_KEYWORD => '[a-zA-Z0-9_:$.*>\\\\-]+', self::TOKEN_SEPARATOR => ',', self::TOKEN_WHITESPACE => '\\s+']);
}