Beefy Boxes and Bandwidth Generously Provided by pair Networks
go ahead... be a heretic
 
PerlMonks  

Re: Re: Alternation in Effective Perl Programming Example

by a (Friar)
on Dec 07, 2000 at 09:43 UTC ( #45446=note: print w/replies, xml ) Need Help??


in reply to Re: Alternation in Effective Perl Programming Example
in thread Alternation in Effective Perl Programming Example

Appears to be (looking at Effective perl) a typo, as the chapter leans heavily on (?: just before the example. You should mention it to merlyn as its not in the errata (neither is the misspelled 'Eart' on page 64 ;-)

a

  • Comment on Re: Re: Alternation in Effective Perl Programming Example

Replies are listed 'Best First'.
Re: Re: Re: Alternation in Effective Perl Programming Example
by a (Friar) on Dec 07, 2000 at 21:50 UTC
    And, to the original question: I think the idea is to 'inch along'
      for (split m!("(?:\\\W|.)*?"|/\*|\*/)!) {

    [download]
    will return the pieces ending w/ an escaped non-word char, a single char or the comment begin/end markers. Hmm, an escaped non-word char or a single char in quotes? No, as many \\\w|. as found between quotes. I guess so: 
    biff = "not a comment /*";
/* marker for not a comment */

    [download]
    won't start $in_comment too early.

    a

[reply]
[d/l]
[select]

In Section Seekers of Perl Wisdom

Log In?
Username:
Password:

What's my password?
Create A New User
Domain Nodelet?

www.com | www.net | www.org
Node Status?
node history
Node Type: note [id://45446]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others chilling in the Monastery: (8)
As of 2023-06-05 09:59 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?
    How often do you go to conferences?






    Results (24 votes). Check out past polls.
    Notices?