错误CS1056：意外字符`？＆＃39;

Question

嗨，有人知道为什么我会收到这个错误。

这是我得到错误的行

return (string)row[0] == password && (long)row[1] == 0 && (long)row[2] == 1​;

这里有一些代码，

    if (!Utils.IsNullOrWhiteSpace(account) && !Utils.IsNullOrWhiteSpace(password)) 
    {
        List<List<object>> table = ExecuteReader("SELECT password, banned, confirmed FROM accounts WHERE name=@name", new SqliteParameter("@name", account));
        if (table.Count == 1) 
        {
            // account exists. check password and ban status.
            List<object> row = table[0];
            //return (string)row[0] == password && (long)row[1] == 0;
            return (string)row[0] == password && (long)row[1] == 0 && (long)row[2] == 1​;
        } 
        else 
        {
            return false;
            // account doesn't exist. create it.
            ExecuteNonQuery("INSERT INTO accounts VALUES (@name, @password, 0)", new SqliteParameter("@name", account), new SqliteParameter("@password", password));
            return true;
        }
    }
    return false;
}