So why don't you write code to do just that?

my $update_p4filelog = "...xyz branch from //source/qcom/qct/multimedi
+a/qtv/player/audioplayer/rel/1.1/src/file.cpp#1,#8";

my ($path, $ver) = $update_p4filelog =~ /branch from (.*\/.*)[#\d+,]?(
+#\d+)$/;

use DDS;Dump( $path, $ver );
__END__
$VAR1 = '//source/qcom/qct/multimedia/qtv/player/audioplayer/rel/1.1/s
+rc/file.cpp#1,';
$VAR2 = '#8';
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