public static string RemoveInvalidCharacters(string s)
{
// NOTE: changing this code requires a change in RemoveInvalidCharacters, GetNoAccents javascript functions in SN.ContentName.js, in order that these work in accordance
var noaccents = GetNoAccents(s);
noaccents = new Regex(RepositoryPath.InvalidNameCharsPattern).Replace(noaccents, ContentNamingHelper.PlaceholderSymbol.ToString());
// space is also removed
noaccents = noaccents.Replace(' ', ContentNamingHelper.PlaceholderSymbol);
// '-' should not be followed by another '-'
noaccents = new Regex(ContentNamingHelper.PlaceholderSymbol + "{2,}").Replace(noaccents, ContentNamingHelper.PlaceholderSymbol.ToString());
noaccents = noaccents.Trim(ContentNamingHelper.PlaceholderSymbol);
return noaccents;
}
/// <summary>
