my $tmp = 0;   # Make $tmp 0.
    $i ++;         # Increment $i.
    print "hello"; # Print 'hello' to the screen.

##</code><code>##

    # Capture what's between brackets, 
    # omitting leading white space.
    /\[\s*([^\]]+)/;

##</code><code>##

    # Capture the wiki-link.
    /\[\s*([^\]]+)/;