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const string CommandRegex = @"<(?<Address>(\w\d)),(?<Transaction>\d+),(?<Verb>[A-Za-z]\w+)(=((?<NumericPayload>\d+)|(?<TextPayload>.+)))?>";
const RegexOptions options = RegexOptions.Compiled | RegexOptions.CultureInvariant | RegexOptions.ExplicitCapture | RegexOptions.Singleline;
static readonly Regex Parser = new Regex(CommandRegex, options);

        /*
         * Commands are understood in one of three basic formats:
         * <F1,234,Nickname=Fred>   -- non-numeric payload
         * <F5,999,MoveTo=1000>     -- numeric payload
         * <F3,0,Center>            -- verb only (no payload)
         * If the RegEx match was successful, then we must have one of these three possibilities.
         * The address, transaction ID and command verb must always be present so we get those first.
         */
        var deviceAddress = matches.Groups["Address"].Value;
        var transaction = int.Parse(matches.Groups["Transaction"].Value);
        var verb = matches.Groups["Verb"].Value;

        // Now we must decide which of the three basic forms we are dealing with.
        // For the verb-only case, we simply set some defaults before checking for a payload.
        var position = Command.NoPosition;
        var data = string.Empty;

        if (matches.Groups["Position"].Success)
            {
            // We have a numeric payload
            position = int.Parse(matches.Groups["NumericPayload"].Value);
            }
        if (matches.Groups["Data"].Success)
            {
            // We have a non-numeric payload
            data = matches.Groups["TextPayload"].Value;
            }
        var source = matches.Value;
        /*
         * Commands are understood in one of three basic formats:
         * <F1,234,Nickname=Fred>   -- non-numeric payload
         * <F5,999,MoveTo=1000>     -- numeric payload
         * <F3,0,Center>            -- verb only (no payload)
         * If the RegEx match was successful, then we must have one of these three possibilities.
         * The address, transaction ID and command verb must always be present so we get those first.
         */
        var deviceAddress = matches.Groups["Address"].Value;
        var transaction = int.Parse(matches.Groups["Transaction"].Value);
        var verb = matches.Groups["Verb"].Value;

        // Now we must decide which of the three basic forms we are dealing with.
        // For the verb-only case, we simply set some defaults before checking for a payload.
        var position = Command.NoPosition;
        var data = string.Empty;

        if (matches.Groups["Position"].Success)
            {
            // We have a numeric payload
            position = int.Parse(matches.Groups["NumericPayload"].Value);
            }
        if (matches.Groups["Data"].Success)
            {
            // We have a non-numeric payload
            data = matches.Groups["TextPayload"].Value;
            }
        var source = matches.Value;