http://www.perlmonks.org?node_id=773427


in reply to Re: replace / with \ using regular expressions?
in thread replace / with \ using regular expressions?

You need the tr/// operator

No, you don't need it. TIMTOWTDI, and s///g is as understandable and easy to write just like tr///.

The difference in performance is impressive

But typically completely irrelevant for the performance of scripts/programs of any size. This optimization feels pretty immature.

When will doing 287356 of these operations per second ever be anything other than fast enough?