/// <summary>
/// This routine will replace functions existing in a input string with thier respective values
/// </summary>
/// <param name="input">input string</param>
/// <param name="handler">Additional function handler for custom functions</param>
/// <returns>input string with all found functions replaced with returned values</returns>
public static string Replace(string input, AdditionalFunctionEventHandler handler)
{
FunctionEval expr = new FunctionEval(input);
if (handler != null)
expr.AdditionalFunctionEventHandler += handler;
return expr.Replace();
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static string Replace(string input)
{
FunctionEval expr = new FunctionEval(input);
return expr.Replace();
}