title: Can Vi editior show the \n, \t, \s etc.... in a html file?
body: <pre><code> &lt;tr&gt;$
                                    &lt;td nowrap valign="top" class="table_1row"&gt;&lt;a name="d071301" id="d071301"&gt;&lt;/a&gt;13-Jul-2011&lt;/td&gt;$
  </code></pre>
  
  <p>i would like to match tr>$ 
  
  <pre><code>grep -c "tr&gt;\n&lt;td nowrap valign" test.html
  </code></pre>
  
  <p>then i also tried</p>
  
  <pre><code>grep -c "tr&gt;\n\s*&lt;td nowrap valign" test.html
  </code></pre>
  
  <p>both of them find nothing. What error here?</p>