public string GetResult(string input)
{
Initiailize();
if (!_stringEvaluationValidator.Validate(input))
{
return("String not valid");
}
foreach (Match m in Regex.Matches(input, @"(\d+)([-+/*])?"))
{
if (!string.IsNullOrEmpty(m.Groups[2].ToString()))
{
_numbers.Add(Convert.ToDouble(m.Groups[1].ToString()));
_operators.Add(m.Groups[2].ToString());
continue;
}
_numbers.Add(Convert.ToDouble(m.Groups[1].ToString()));
}
Evaluate();
return(_numbers[0].ToString(CultureInfo.InvariantCulture));
}
public string GetResult(string input)
{
if (!_stringEvaluationValidator.Validate(input))
{
return("String not valid");
}
var output = new DataTable().Compute(input, null);
double doubleOutput = Convert.ToDouble(output);
return(doubleOutput.ToString(CultureInfo.InvariantCulture));
}
