The Index function isn't listed on the perl.com website, which was the only
place I looked for documentation up until now. I haven't recieved my Perl
books from Fatbrain yet. ;-)
Thanks for the info. It was very useful.
Nat
----- Original Message -----
From: "Hasanuddin Tamir" <[EMAIL PROTECTED]>
To: "Nathaniel Mallet" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Monday, June 04, 2001 10:21 PM
Subject: Re: Substring retrieval
> On Mon, 4 Jun 2001, Nathaniel Mallet <[EMAIL PROTECTED]> wrote,
>
> > Date: Mon, 4 Jun 2001 21:06:43 -0400
> > From: Nathaniel Mallet <[EMAIL PROTECTED]>
> > To: [EMAIL PROTECTED]
> > Subject: Substring retrieval
> >
> > Hi,
> >
> > I'm trying to retrieve a substring from a string, but I'm not sure
> > exactly where and how big that substring is. The substring is
> > delimited by a start and end special character. It was suggested to
> > me to write two regular expression, one that would match everything
> > up to and including the start special character, and one to match
> > everything following and including the end special character, and
> > replacing the matches with nothing.
> >
> > I thought finding the location of the start and end special
> > characters, then calling substr().
> >
> > And so I have to questions:
> > 1 - How would I find the index for a particular character in a string?
>
> Using index() function. Now, doesn't it suprise you?
>
> perldoc -f index
>
>
> > 2 - What's the best method, everything considered (simplicity,
> > performance, etc).
>
> - how many times does the substring you want to retrieve occur
> in the string? Exactly once? Can be more?
> - Are the start and end special characters just the same?
>
> Regular expression is the common way to solve this, but you could also
> use split() or combination of substr/index.
>
> __END__
> s.a.n
> --
> Hasanuddin Tamir: [EMAIL PROTECTED] - Trabas: www.trabas.com
>
>
