od'>.</span><span class='id identifier rubyid_strip'>strip</span><span class='rbrace'>}</span><span class='period'>.</span><span class='id identifier rubyid_reject'>reject</span> <span class='lbrace'>{</span> <span class='op'>|</span><span class='id identifier rubyid_c'>c</span><span class='op'>|</span> <span class='id identifier rubyid_c'>c</span><span class='period'>.</span><span class='id identifier rubyid_empty?'>empty?</span> <span class='rbrace'>}</span>
<span class='kw'>end</span></pre>
    </td>
  <