How can you strip non-ASCII characters from a string? (in C#)

Question

How can you strip non-ASCII characters from a string? (in C#)

Answer 1

I used this regex expression:

    string s = "søme string";
    Regex regex = new Regex(@"[^a-zA-Z0-9\s]", (RegexOptions)0);
    return regex.Replace(s, "");