/// <summary>
/// Randomizes the letters and numbers in a string.
/// </summary>
/// <param name="s">The s.</param>
/// <returns></returns>
public static string RandomizeLettersAndNumbers(this string s)
{
var randomizer = new Bogus.Randomizer();
var chars = s.ToArray();
for (int i = 0; i < chars.Length; i++)
{
char c = chars[i];
if (char.IsLower(c))
{
chars[i] = randomizer.Char('a', 'z');
}
else if (char.IsUpper(c))
{
chars[i] = randomizer.Char('A', 'Z');
}
else if (char.IsNumber(c))
{
chars[i] = randomizer.Char('0', '9');
}
}
return(new string( chars ));
}