Playtomic.JSON.SerializeString C# (CSharp) Method

        protected void SerializeString(string aString, StringBuilder builder)
        {
            builder.Append("\"");

            char[] charArray = aString.ToCharArray();
            for (int i = 0; i < charArray.Length; i++) {
                char c = charArray[i];
                if (c == '"') {
                    builder.Append("\\\"");
                } else if (c == '\\') {
                    builder.Append("\\\\");
                } else if (c == '\b') {
                    builder.Append("\\b");
                } else if (c == '\f') {
                    builder.Append("\\f");
                } else if (c == '\n') {
                    builder.Append("\\n");
                } else if (c == '\r') {
                    builder.Append("\\r");
                } else if (c == '\t') {
                    builder.Append("\\t");
                } else {
                    int codepoint = Convert.ToInt32(c);
                    if ((codepoint >= 32) && (codepoint <= 126)) {
                        builder.Append(c);
                    } else {
                        builder.Append("\\u" + Convert.ToString(codepoint, 16).PadLeft(4, '0'));
                    }
                }
            }

            builder.Append("\"");
        }