Beefy Boxes and Bandwidth Generously Provided by pair Networks
No such thing as a small change
 
PerlMonks  

Re^2: replace / with \ using regular expressions?

by Juerd (Abbot)
on Jun 21, 2009 at 23:09 UTC ( #773427=note: print w/ replies, xml ) Need Help??


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?


Comment on Re^2: replace / with \ using regular expressions?

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://773427]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others browsing the Monastery: (4)
As of 2014-12-21 00:35 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    Is guessing a good strategy for surviving in the IT business?





    Results (100 votes), past polls