c:\@Work\Perl\monks>perl -wMstrict -le
"use Data::Dump qw(dd);
 ;;
 $_ = '2015-08-13 17:53:45 blah yada';
 my @data = join('', $_ =~ /^(\d\d\d\d)-(\d\d)-(\d\d) (\d+):(\d+):(\d+)/);
 ;;
 print 'number of elements in array: ', scalar @data;
 ;;
 print qq{element at index $_: '$data[$_]'} for 0 .. $#data;
 ;;
 dd \@data;
"
number of elements in array: 1
element at index 0: '20150813175345'
[20150813175345]