To /^\Q$stack\E$/ (emphasis on the \E).

And to the OP, note that your first RE can be simplified: 

   #if ($line =~ m/set\sservice\s(\".+\").?/) {
    if ($line =~ m/set\sservice\s(".+")/) {

[download]

No need to escape quotes; nor to match beyond what you are interested in. (I often see REs with a useless .* at the end.)

In reply to Re^2: Problems with a regex? by hbm
in thread Problems with a regex? by dwlepage

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