directions.txt

private TimeSpan ConvertDriveTimeStringToTime() {
	if (string.IsNullOrEmpty(driveTime)) {
		return TimeSpan.Zero;
	}

	// "1 day 4 hours", "4 hours 12 mins", "1 min"

	var bits = driveTime.Split();
	int value = 0;
	TimeSpan result = TimeSpan.Zero;

	foreach (string bit in bits) {
		// If the value is already set, look for a unit
		// otherwise parse the value and loop
		if (value == 0 && int.TryParse(bit, out value)) {
			continue;
		}

		switch (bit) {
			case "day":
			case "days":
				result = result.Add(TimeSpan.FromDays(value));
				break;
			case "hour":
			case "hours":
				result = result.Add(TimeSpan.FromHours(value));
				break;
			case "min":
			case "mins":
				result = result.Add(TimeSpan.FromMinutes(value));
				break;
			default:
				return TimeSpan.Zero;
		}

		// reset the number for the next value.
		value = 0;
	}

	return result;
}