title: Problem detecting forward slash in preg_replace regex pattern
body: <p>I am running preg_replace across a string which may contain street numbers. The pattern I'm using is:</p>
  
  <pre><code>([A-Za-z0-9]*)/i
  </code></pre>
  
  <p>This works fine for numbers such as 1, 1a, 123 etc.</p>
  
  <p>However it does not pick up street numbers like 1/54B</p>
  
  <p>I tried to add a forward slash to the pattern like this:</p>
  
  <pre><code>([A-Za-z0-9\/]*)/i
  </code></pre>
  
  <p>But it isn't picking up numbers like 1/54B.</p>
  
  <p>Any ideas on what I should be using?</p>