title: tcl lsearch on list of list
body: <p>There is a list of list in Tcl.</p>
  
  <pre><code>set somelist {{aaa 1} {bbb 2} {ccc 1}}
  </code></pre>
  
  <p>How to search the list's element which first item is "bbb"?</p>
  
  <p>I tried this way but it doesn't work.</p>
  
  <pre><code>lsearch $somelist "{bbb *}"
  </code></pre>
  
  <p>Thanks.</p>