$ pm_parse_stdin_2.pl
19-9-2013
Not DD-MM-YYYY format
19/09/2013
Not DD-MM-YYYY format
19-09-2013
... day='19' month='09' year='2013' ...
99-99-9999
BOGUS DATE: 99-99-9999
32-02-2013
BOGUS DATE: 32-02-2013
31-02-2013
INVALID DATE: 31-02-2013
29-02-2013
INVALID DATE: 29-02-2013
29-02-2012
... day='29' month='02' year='2012' ...
19-09-20133
Not DD-MM-YYYY format