Remove currency symbol and comma from number using Regex in C#

I am using following code to remove currency symbol and comma from number. This is deceimal number so . is expected

private string CleanCurrencyAmount(string no)
    {
        no = "£67609.787";
        string returnVal = string.Empty;

        string rgxPattern = @"(\p{Sc})?"; // this doesn't remove comma 

        Regex rgx = new Regex(rgxPattern);

        string x = rgx.Replace(no, "");

        string clean = Regex.Replace(no, "[^A-Za-z0-9 ]", "");  // this remove . too

        return returnVal;
    }

>Solution :

You’re close. Change to a character class with comma:

@"[\p{Sc},]"

Then replace with an empty string.