removeNonAsciiChar.cs

		private string removeNonAsciiChar(string content)
		{
			content = Regex.Replace(content.Trim(), @"[^\u0000-\u007F]", string.Empty);
			return Encoding.ASCII.GetString(
				Encoding.Convert(
					Encoding.UTF8,
					Encoding.GetEncoding(
						Encoding.ASCII.EncodingName,
						new EncoderReplacementFallback(string.Empty),
						new DecoderExceptionFallback()
					),
					Encoding.UTF8.GetBytes(content)
				)
			);
		}