#!/usr/bin/perl -w
use strict;

while (<DATA>) {
  chomp;
  if (/^(.*?)\s[A-Za-z]+$/) {
    print "Found $1 in $_\n";
  } else {
    warn "Don't know how to handle $_\n";
  };
};

##</code><code>##

  if (m!^((?:\d+)|(?:\d+/\d+)|(\N\+1\))|\d*[MN])\s!) {
    print "Found $1 in $_";
  };

##</code><code>##

m!\d+(/\d+)?! # Here, we use capturing parentheses for legibility
m!\d+(?:/\d+)! # Noncapturing parentheses for programmer-ease

##</code><code>##

perl -MHTTP::Daemon -MHTTP::Response -MLWP::Simple -e ' ;    # The  
$d = new HTTP::Daemon and fork and getprint $d->url and exit;#spider
($c = $d->accept())->get_request(); $c->send_response( new   #in the
HTTP::Response(200,$_,$_,qq(Just another Perl hacker\n))); ' #  web