I need a specific word in a file name and file content should be pulled out from files among directory

I m new to perl . please help me 
!/usr/bin/perl -w

my $directory = "/home/grds/datafiles";
opendir(DIR, $directory) or die "couldn't open $directory: $!\n";
@files = grep("EXP", readdir(DIR));
closedir(DIR);

foreach $file (@files) {
  # print "$file\n";
        open ($file
}

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example file name : EXPresult_3D0R0000002345_test345_cache1_IND0000ASD123_2014_04_12_18_56_12

I need 3D0R0000002345, test345, cache1, IND0000ASD123, 2014_04_12 should be stored in CSV file with separate columns.

In reply to I want specific word to be stored in a CSV file by priyasony

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