public string MoveSpaces(string input)
{
var arr = input.ToCharArray();
int currentIndex = 0;
while (currentIndex < arr.Length - 1 &&
(currentIndex = Array.IndexOf(arr, ' ', currentIndex + 1)) != -1)
{
if (_randomiser.Next(100) <= _thresholds.ChanceToMoveSpaces)
{
if ((char.IsLetterOrDigit(arr[currentIndex - 1]) || char.IsPunctuation(arr[currentIndex - 1])) &&
currentIndex > 0 && _randomiser.Next(100) <= _thresholds.ChanceToMoveSpacesLeft)
{
var a = arr[currentIndex];
arr[currentIndex] = arr[currentIndex - 1];
arr[currentIndex - 1] = a;
}
else if (char.IsLetterOrDigit(arr[currentIndex + 1]) || char.IsPunctuation(arr[currentIndex + 1]))
{
var a = arr[currentIndex];
arr[currentIndex] = arr[currentIndex + 1];
arr[currentIndex + 1] = a;
currentIndex++;
}
}
}
return(new string(arr));
}
public string MuddleWord(string input)
{
if (input.All(char.IsPunctuation))
{
return(input);
}
var noPrecedingPunctuation = Regex.Replace(input, $"^[^a-zA-Z]*", string.Empty);
var precedingPunctuation = input.Substring(0, input.Length - noPrecedingPunctuation.Length);
var noTrailingPunctuation = Regex.Replace(noPrecedingPunctuation, $"[^a-zA-Z]*$", string.Empty);
var trailingPunctuation = noPrecedingPunctuation.Substring(noTrailingPunctuation.Length);
var arr = noTrailingPunctuation.ToCharArray();
for (var i = 0; i < arr.Length - 1; i++)
{
var chance = i == 0 || i == arr.Length - 2
? _thresholds.ChanceToSwapFirstAndLastCharacters
: _thresholds.ChanceToSwapCharacters;
if (char.IsLetterOrDigit(arr[i]) && char.IsLetterOrDigit(arr[i + 1]) &&
_randomiser.Next(100) <= chance)
{
// swap letters
var a = arr[i];
arr[i] = arr[i + 1];
arr[i + 1] = a;
i++;
}
}
return(precedingPunctuation + new string(arr) + trailingPunctuation);
}
public string RemovePunctuation(string input)
{
var stringBuilder = new StringBuilder(input);
for (var i = input.Length - 1; i >= 0; i--)
{
if (char.IsPunctuation(input, i) && _randomiser.Next(100) <= _thresholds.ChanceToRemovePunctuation)
{
stringBuilder.Remove(i, 1);
}
}
return(stringBuilder.ToString());
}
public string RemoveCapitalisation(string input)
{
var num = _randomiser.Next(100);
return(num <= _thresholds.ChanceToRemoveCapitals ? input.ToLower() : input);
}
