private static string SanitizeEntryId(string id)
{
if (String.IsNullOrWhiteSpace(id))
{
return String.Empty;
}
id = Regex.Replace(id, @"[^\w\s_\-\.]+", String.Empty); // first, allow only words, spaces, underscores, dashes and dots.
id = Regex.Replace(id, @"\.{2,}", String.Empty); // strip out any dots stuck together (no pathing attempts).
id = Regex.Replace(id, @"\s{2,}", " "); // convert multiple spaces into single space.
id = id.Trim(' ', '.'); // ensure the string does not start or end with a dot
return id.Replace(' ', '-').ToLowerInvariant(); // finally, replace all spaces with dashes and lowercase it.
}
