Start simple:
I may be wrong, but I think your regex is wrong.
'+' is not a valid file name character.
Start by printing the proposed files to be moved:
I don't know what \+ means? 
#!/usr/bin/perl
use strict;
use warnings;
use File::Copy;

my ($inDir, $outDir) = @ARGV;

opendir (DIR, $inDir) or die "Bad Input Directory $inDir $!\n";

while (my $infile = readdir(DIR))
{
   if ($infile =~ 'F\d{8}\.\d{4}\+\d{4}\-\d{4}\+\d{4}_.*')
   #like F12345678.1234+1234-9876+3456.....
   {
       print "$inDir/$infile\n";
   }
}

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In reply to Re: Move a file to another directory based on regex match by Marshall
in thread Move a file to another directory based on regex match by DAN0207

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