namespace MediaBrowser.Controller.Sorting { public static class SortHelper { private enum ChunkType { Alphanumeric, Numeric }; public static bool InChunk(char ch, char otherCh) { var type = ChunkType.Alphanumeric; if (char.IsDigit(otherCh)) { type = ChunkType.Numeric; } if ((type == ChunkType.Alphanumeric && char.IsDigit(ch)) || (type == ChunkType.Numeric && !char.IsDigit(ch))) { return false; } return true; } } }