public AlphameticEquation(string input)
{
input = input.ToUpper();
Match matchEquation = Regex.Match(input, @"^([A-Z]+[+\-/*])*[A-Z]+=[A-Z]+$"); // Check equation format.
if (!matchEquation.Success)
{
throw new FormatException("Invalid math equation format.");
}
string[] equationSides = input.Split('='); // Split into left and right parts.
EqualsPart = equationSides[1];
MatchCollection termMatches = Regex.Matches(equationSides[0], @"[A-Z]+"); // Get all letter terms.
foreach (Match termMatch in termMatches)
{
Terms.Add(termMatch.Value);
}
MatchCollection operatorMatches = Regex.Matches(equationSides[0], @"[+\-/*]"); // Get all operators.
foreach (Match operatorMatch in operatorMatches)
{
Operators.Add(MathOperatorsMethods.GetOperatorFromString(operatorMatch.Value));
}
}
private bool IsSolutionCorrect()
{
double result = int.Parse(TranslateAlphametic(Equation.Terms[0], LetterNumberPairs));
for (int i = 0; i < Equation.Operators.Count; i++)
{
result = MathOperatorsMethods.PerformOperation(result, int.Parse(TranslateAlphametic(Equation.Terms[i + 1], LetterNumberPairs)), Equation.Operators[i]);
}
return(result == int.Parse(TranslateAlphametic(Equation.EqualsPart, LetterNumberPairs)));
}
public override string ToString()
{
string output = "";
for (int i = 0; i < Terms.Count - 1; i++)
{
output += Terms[i] + MathOperatorsMethods.OperatorToString(Operators[i]);
}
return(output + Terms[Terms.Count - 1] + "=" + EqualsPart);
}