public function __construct($value)
{
if (0 == preg_match('#^\\+?\\d+(\\,\\d+){1,2}$#', $value)) {
throw new \Exception('value should be of form #^\\+?\\d+(\\,\\d+){1,2}$#');
}
parent::__construct($value);
}
public function __construct($value)
{
parent::__construct("\"{$value}\"");
}
