second
Returns the seconds in a given string, s.
Syntax
R = second(s)
R = second(s, fmt)
Inputs
- s
 - A string representing a date/time. By default, if no fmt is specified, s is expected to be in the format dd-mmm-yyyy. If in this format, second returns 0.
 - fmt (optional)
 - Gives the given format that s is in. Valid formats that can return
            a valid second value are:
- 'dd-mmm-yyyy HH:MM:SS'
 - 'HH:MM:SS'
 - 'HH:MM:SS PM'
 - 'mmm.dd,yyyy HH:MM:SS'
 - 'yyyymmddTHHMMSS'
 - 'yyyy-mm-dd HH:MM:SS'
 
 
Outputs
- R
 - Second from the given string s. 0 will be returned for most formats, fmt, which don't specify minutes.
 
Examples:
R = second('Apr.04,2019 10:11:12', 'mmm.dd,yyyy HH:MM:SS')R = 12