title: Find string starting with a word, ending with another in the same line with regular expressions
body: <p>can you help me in finding string pattern in text file? I mean, for example, I have got a file:</p>
  
  <pre><code>The model of operation is that an internet module resides in each host
  engaged in internet communication and in each gateway that
  interconnects networks.
  </code></pre>
  
  <p>And I want to find string starting with word <code>model</code>, and ending at word <code>each</code> in first line, how to do it? 
  I have tried with <code>*.each</code> But it doesn't found what I wanted to.</p>