How to convert percentage string to double?

Asked 2010-01-31T12:16:13.683

49

I have a string like "1.5%" and want to convert it to double value.

It can be done simple with following:

public static double FromPercentageString(this string value)
{
    return double.Parse(value.SubString(0, value.Length - 1)) / 100;
}

but I don't want to use this parsing approach.

Is any other approach with IFormatProvider or something like this?

c# formatting

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1 Answer

59

It is culture sensitive, replace it like this:

  value = value.Replace(System.Globalization.CultureInfo.CurrentCulture.NumberFormat.PercentSymbol, "");

Then parse it.

answered 2010-01-31T12:48:56.787