title: Grep variable for string in bash
body: <p><strong>We'd like to search for <code>clid=*</code> (* stands for an number) in the following $test variable:</strong></p>
  
  <pre><code>Welcome to the TeamSpeak 3 ServerQuery interface, type "help" for a list of commands and "help &lt;command&gt;" for information on a specific command.
  
  error id=0 msg=ok
  
  error id=0 msg=ok
  
  cluid=something2384fjdfkj clid=1 name=me
  
  error id=0 msg=ok
  </code></pre>
  
  <p><strong>Final result should be <code>clid=1</code>.</strong></p>