cronparser

Simple cron parser written in go you can read about in here challenge-cron

it look something like this:

0 9 * * 6 <command>

Which can be interpreted using the following:

# ┌───────────── minute (0–59)
# │ ┌───────────── hour (0–23)
# │ │ ┌───────────── day of the month (1–31)
# │ │ │ ┌───────────── month (1–12)
# │ │ │ │ ┌───────────── day of the week (0–6) (Sunday to Saturday;
# │ │ │ │ │                                   7 is Sunday on some systems)
# │ │ │ │ │
# │ │ │ │ │
# * * * * * <command>

For these fields the allowed values are:

Field	Required	Allowed values	Allowed special characters
Minutes	Yes	0–59	* , -
Hours	Yes	0–23	* , -
Day of month	Yes	1–31	* , -
Month	Yes	1–12	* , -
Day of week	Yes	0–6	* , -

Examples

* * * * * - every minute
* 9 * * SAT - every minute, between 9:00 and 9:59, on Saturday
5 14-15 * 1,3 Mon-Fri - 14:05 and 15:05, on yan and march, from monday to friday

Input
string and datetime
Output
bool with result - this datetime match with string or not