static List <PasswordLine> ParsePasswords(string path)
{
List <PasswordLine> lines = new List <PasswordLine>();
using (StreamReader sr = File.OpenText(path))
{
string s = String.Empty;
while ((s = sr.ReadLine()) != null)
{
var line = new PasswordLine();
int num = 0;
int i = 0;
char c = s[i];
while (c != '-')
{
num = num * 10 + (c - '0');
c = s[++i];
}
line.min = num;
num = 0;
c = s[++i];
while (c != ' ')
{
num = num * 10 + (c - '0');
c = s[++i];
}
line.max = num;
line.c = s[++i];
line.password = s.Substring(i + 3);
lines.Add(line);
}
}
return(lines);
}
static List <PasswordLine> ParsePasswordsRegex(string path)
{
List <PasswordLine> passwords = new List <PasswordLine>();
Regex re = new Regex(@"(?<min>\d+)-(?<max>\d+) (?<char>\w): (?<password>.*)", RegexOptions.Compiled);
int i = 0;
using (StreamReader sr = File.OpenText(path))
{
string s = String.Empty;
while ((s = sr.ReadLine()) != null)
{
var match = re.Match(s);
var password = new PasswordLine();
password.min = match.GetInt("min");
password.max = match.GetInt("max");
password.c = match.Groups["char"].ToString()[0];
password.password = match.Groups["password"].ToString();
passwords.Add(password);
i++;
}
}
return(passwords);
}