Blog.Common.Utils.Helpers.PasswordManager.CheckStrength C# (CSharp) Method

        public static Constants.PasswordScore CheckStrength(string password)
        {
            var score = 1;

            if (password.Length < 1)
                return Constants.PasswordScore.Blank;
            if (password.Length < 4)
                return Constants.PasswordScore.VeryWeak;
            if (password.Length >= 8)
                score++;
            if (password.Length >= 12)
                score++;
            if (Regex.Match(password, @"\d+", RegexOptions.ECMAScript).Success)
                score++;
            if (Regex.Match(password, @"[a-z]", RegexOptions.ECMAScript).Success && Regex.Match(password, @"[A-Z]", RegexOptions.ECMAScript).Success)
                score++;
            if (Regex.Match(password, @".[!,@,#,$,%,^,&,*,?,_,~,-,£,(,)]", RegexOptions.ECMAScript).Success)
                score++;

            return (Constants.PasswordScore)score;
        }
    }