title: how to substring text in vbscript
body: <p>I am using VBScript</p>
  
  <p>I have got below text</p>
  
  <pre><code>str = "tcm:1-245-9"
  </code></pre>
  
  <p>Now I want to substring above string in such a way, so that I get the output as below</p>
  
  <p><code>pstr = "245"</code> from the above string,</p>
  
  <p>Please let me know suggestions in VBScript only.</p>
  
  <p>Thanks.</p>