public static bool hasLetters(string myString)
{
myString = JeffToolBox.RemoveSpecialCharacters(myString);
myString = myString.Replace(".", "");
foreach (var i in myString)
{
if ((i < '0' || i > '9'))
{
return(false);
}
}
return(true);
}
public static decimal ReadInterestRate(string message, bool positiveNumber = false, bool acceptZero = true)
{
while (true)
{
try
{
Console.WriteLine(message);
string input = Console.ReadLine();
if (string.IsNullOrEmpty(input))
{
Console.WriteLine("Please enter a number");
continue;
}
input = JeffToolBox.RemoveSpecialCharacters(input);
decimal returnValue = decimal.Parse(input);
if (positiveNumber == true && returnValue < 0)
{
Console.WriteLine("Please enter a positive number");
continue;
}
if (acceptZero == false && returnValue == 0)
{
Console.WriteLine("Please enter a number other than 0");
continue;
}
if ((returnValue * 2 > Decimal.MaxValue) || (returnValue * 3 > Decimal.MaxValue))
{
Console.WriteLine("---------------- \n \n");
Console.WriteLine("Please enter a smaller number, dont be a hacker...");
continue;
}
if (returnValue > 100)
{
Console.WriteLine("---------------- \n \n");
Console.WriteLine("You cant have an interest rate larger than 100%!");
Console.WriteLine("Please enter an Interest Rate between 0 - 100.");
continue;
}
return(returnValue);
}
catch (ArgumentNullException e)
{
Console.WriteLine("Please enter a value");
}
catch (FormatException e)
{
Console.WriteLine("Please enter a numerical value");
}
catch (OverflowException e)
{
Console.WriteLine("Please enter a reasonably sized number");
}
catch (Exception e)
{
Console.WriteLine("There was an error reading this decimal");
}
}
}