my $str = 'C:\fldr1\fld2\fldr3\fldr4\fldr5\test.txt@@\main\Msometest\t
+est12.1x\1';
Here C:\fldr1\fld2\ is dynamic.
fldr3\fldr4\fldr5\test.txt is also dyanamic.
Moreover, @@\main\Msometest\t
+est12.1x\1' is dynamic....
Now how can I extract the middle path?