title: Unable to match one or more whitespaces in Vim
body: <p>I want match spaces at the beginning of lines in Vim</p>
  
  <p><strong>PseudoCode of what I want to do</strong></p>
  
  <pre><code>^( )*
  </code></pre>
  
  <p>I know the following from manual</p>
  
  <pre><code>notation        meaning             equivalent  decimal value(s)        
  -----------------------------------------------------------------------
  
  &lt;Space&gt;         space                            32     *space* 
  </code></pre>
  
  <p>I am not sure how to use the decimal value 32.</p>
  
  <p><strong>How can you match one or more whitespaces in Vim?</strong></p>