I guess I don't understand regular expression switches as well as I should.
What I am trying to do is dynamically create the pattern tested against within a regular expression. The code below attempts to show what I'm wanting to do.
#!/usr/bin/perl
my $s = 'Tue Feb 8 11:11:11 2005: blah blah blah';
my $regex = '/^$wday $mon\s+$mday \d{2}:\d{2}:\d{2} $year:';
my $wday = 'Tue';
my $mon = 'Feb';
my $mday = '8';
my $year = '2005';
findString($s);
sub findString($) {
my $line = shift;
print "found\n" if $line =~ /$regex/;
}
However, executing this script doesn't output anything where as I was thinking that it should. What switch(es) am I missing?
Any insight you care to pass on would be greatly appreciated. Thanks.
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.