Of course using sort just makes it too easy. :-)

sub longest_words {
    my @W = sort { length($b) <=> length($a) } $_[0] =~ /\b(\w+)\b/g;
    grep length == length($W[0]), @W;
}
[download]

As long as you do it right, that is. You'll need to use <=> in your sort. Just testing for 'greater than' isn't sufficient.

Update: A little golfing gets the sub down to 79 characters:

sub longest_words {
my@W=sort{length($b)<=>length($a)}$_[0]=~/(\w+)/g;grep length==length(
+$W[0]),@W
}
[download]

-sauoq
"My two cents aren't worth a dime.";

#        1         2         3         4         5         6         7
#23456789_123456789_123456789_123456789_123456789_123456789_123456789_
+123456789

my@W=sort{length($b)<=>length($a)}$_[0]=~/(\w+)/g;grep length==length(
+$W[0]),@W
[download]

Untested code ahead


#        1         2         3         4         5         6         7
#23456789_123456789_123456789_123456789_123456789_123456789_123456789_
+1

my@W=sort length$b<=>length$a,$_[0]=~/\w+/g;grep length==length$W[0],@
+W
[download]

See, no parens :)

But, since we're playing golf...

#        1         2         3         4
#23456789_123456789_123456789_123456789_123

push@{$_[y///c]},$_ for+pop=~/\w+/g;@{+pop}
[download]

- Yes, I reinvent wheels.
- Spam: Visit eurotraQ.

heh, stripping blanks off does no good for a real golf ;-) but the idea of skipping the additional hash ofc it' good :) wd. hehe, some golfing you could have done seeing that 'length' appears quite often in your routine ;-)

--
AltBlue.

heh, stripping blanks off does no good for a real golf ;-)

Sometimes whitespace is necessary so you should strip the unnecessary spaces when you are golfing.

some golfing you could have done seeing that 'length' appears quite often in your routine ;-)

Yes, it does. In each case, though, it is taking the length of something different: once for each of $a and $b in the sort, and once for each of $_ and $W[0] in the grep. So, I'm not sure what you point is. Feel free to share your improvements.

-sauoq
"My two cents aren't worth a dime.";