public override object RunPart2()
{
return(InputAsLines.Count(x =>
{
var result = Regex.Match(x, Pattern);
var i1 = int.Parse(result.Groups[1].Value);
var i2 = int.Parse(result.Groups[2].Value);
var c = result.Groups[3].Value[0];
var password = result.Groups[4].Value;
return password[i1 - 1] == c ^ password[i2 - 1] == c;
}));
}
public override object RunPart1()
{
return(InputAsLines.Count(x =>
{
var result = Regex.Match(x, Pattern);
var min = int.Parse(result.Groups[1].Value);
var max = int.Parse(result.Groups[2].Value);
var c = result.Groups[3].Value[0];
var password = result.Groups[4].Value;
var count = password.Count(x => x == c);
return count >= min && count <= max;
}));
}