public static bool InputValid(string input)
{
if (string.IsNullOrWhiteSpace(input))
{
throw new ArgumentNullException(paramName: nameof(input));
}
if (input.Length <= 2)
{
return(false);
}
if (!RegValidExpressChar.IsMatch(input))
{
return(false);
}
if (!BracketHelper.IsBracketComplete(input))
{
return(false);
}
// If the input ends with a binary operator then it is not a valid input to mages and the Interpret function would throw an exception.
string trimmedInput = input.TrimEnd();
if (trimmedInput.EndsWith('+') || trimmedInput.EndsWith('-') || trimmedInput.EndsWith('*') || trimmedInput.EndsWith('|') || trimmedInput.EndsWith('\\') || trimmedInput.EndsWith('^') || trimmedInput.EndsWith('=') || trimmedInput.EndsWith('&'))
{
return(false);
}
return(true);
}
public static bool InputValid(string input)
{
if (string.IsNullOrWhiteSpace(input))
{
throw new ArgumentNullException(paramName: nameof(input));
}
if (input.Length <= 2)
{
return(false);
}
if (!RegValidExpressChar.IsMatch(input))
{
return(false);
}
if (!BracketHelper.IsBracketComplete(input))
{
return(false);
}
return(true);
}