Your parsing errors result due to different things:

• You have to escape the \ in the regexp. \d has a special meaning (a digit) within a regexp, \t is a tab and so on, so you have to double the \ in your substitute, too.
• You should not use .* at all. Please read Death to Dot Star! for more information on this. In here you like to replace it with [^\\]* to match everything except an \.
• You were missing the s infront of the substitute you liked to do.
• In your assignment to $Pdir and $Sdir you did forgot that you want to match $parentdir, and the $1,$2 at the end is, uhm, simply wrong.

Your code might look like this:

# I dislike having to escape everything when I can use '' instead
$path = '\default\main\Anand\toipcs\Tutorials\internet';
$curPath = $path;
$curPath =~ s!\\default\\main\\([^\\]*)\\Tutorials\\internet!$1!;
$parentdir = $curPath;
print "parent Directory  : $curPath\n"; 

($Pdir,$Sdir) = $parentdir =~ m!([^\\]*)\([^\\]*)$!;

print "parent branch : $Pdir \t sub branch $Sdir";
[download]

HTH & HAND,
--
use signature; signature(" So long\nAlfie");

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