private static bool IsValidPasswordByPosition(PasswordRule rule, string password)
{
var firstRequirementIsMet = password[rule.FirstRequirement - 1] == rule.RequiredCharacter;
var secondRequirementIsMet = password[rule.SecondRequirement - 1] == rule.RequiredCharacter;
return(firstRequirementIsMet ^ secondRequirementIsMet);
}
private static bool IsValidPasswordByCount(PasswordRule rule, string password)
{
var requiredCharCount = 0;
foreach (var character in password)
{
if (character == rule.RequiredCharacter)
{
requiredCharCount++;
}
if (requiredCharCount > rule.SecondRequirement)
{
return(false);
}
}
return(requiredCharCount >= rule.FirstRequirement);
}