title: python regular expression of a string
body: <p>I have python string </p>
  
  <pre><code>wrong_data_type is not one of the allowed values `([one_two, two_three, three_four])`
  </code></pre>
  
  <p>and I have a regexp: </p>
  
  <pre><code>\w+ is not one of the allowed values`\(\[\w,+\)\]`
  </code></pre>
  
  <p>However, it is not correct? Any help?</p>