title: VB.net replace a specific word in a string
body: <p>I want to create a program that could replace a specific word which I can freely set.</p>
  
  <p>Sample word:</p>
  
  <pre><code>Dim sample As String = "TWINKLE TWINKLE LITTLE STAR FISH"
  </code></pre>
  
  <p>i want to replace the word STAR into BAT so the new output would be:</p>
  
  <pre><code>TWINKLE TWINKLE LITTLE BAT FISH
  </code></pre>
  
  <p>is this possible? thanks in advance.</p>