The syntax appears to be thornier than what I am imagining.
I have the situation where the same regular expressions are needed throughout the code. To prevent future errors, it would be good to centralize the expression such that changes only need to be made once (and know about it...). The following code is syntactically incorrect, so what do I need to do in order to get the desired result?
Any insight would be appreciated
#!/bin/env perl
use constant REGEX => qr/cat/;
my $s = 'The cat in the hat...';
if ($s =~ /REGEX/) {
print "found\n";
}
else {
print "not found\n";
}
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.