title: How to check if string exists in variable output?
body: <p>Here's what I'm running:</p>
  
  <pre><code>echo $checknetworks;
  </code></pre>
  
  <p>Here's the results of the <code>echo</code>:</p>
  
  <pre><code>Facebook,Twitter,Myspace,Google,Instagram,Pinterest
  </code></pre>
  
  <p>What I want to do is check to see if the string <code>google</code> is in the results above.  I do not want it to be case sensitive because the capitalization changes from time to time.</p>
  
  <p>Basically if <code>google</code> exists in the string, I want to display "FOUND".  If it doesn't exist, I want to display "NOT FOUND".</p>
  
  <p>I came across a couple of somewhat similar questions here but none seemed to take capitalization into account.</p>