I have a regexp with backreferences, and I have a variable that holds the number of backreferences. Observe:
use warnings;
use strict;
#....
$_ = 'foobarbaz';
my $backrefcount = 3;
/(f.o)(b.r)(b.z)/;
foreach (1..$backrefcount)
{
no strict;
print ${$_}."\n";
}
(FYI, what I actually have is a snippet that counts the number of backreferences in a pattern, and then concat's each backreference value into one string.)
I was curious if there's a way to do this while keeping the strict pragma active. I found one node (
http://www.perlmonks.org/index.pl?node_id=35531) that seemed sort of along the lines of what I need, but I couldn't figure out how to apply it to what I'm doing.
Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
Read Where should I post X? if you're not absolutely sure you're posting in the right place.
Please read these before you post! —
Posts may use any of the Perl Monks Approved HTML tags:
- a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
| |
For: |
|
Use: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.