title: Regex - Match capital, simple string after specific character
body: <p>I have following string :</p>
  
  <pre><code>step_User_Save_action_Details
  </code></pre>
  
  <p>I checking capital or simple letter follows after each underscore symbol, but not all capital.. </p>
  
  <p>Example:</p>
  
  <p><code>step_User_Save_Action_Details</code> - Should return <code>False</code></p>
  
  <p><code>step_user_save_Action_Details</code> - Should return <code>True</code></p>
  
  <p><code>step_user_save_action_details</code> - Should return <code>True</code></p>
  
  <p>try with this but seems to be its not the catching it</p>
  
  <pre><code>\bstep(?:_[a-z][a-zA-Z]*)+\b
  </code></pre>