title: Regular Expression for Acronyms
body: <p>I am currently trying to exctract acronmys from an bunch of documents.</p>
  
  <p>Say the documents contains "Static application security testing (SAST)"</p>
  
  <p>So I am trying to create a regex for filtering out these kind of strings.
  It should probably be something like</p>
  
  <p>"a number of words whose initial letter is later repeated in the braces."</p>
  
  <p>Unfortunately my regex is not very good to formulate this. Do you folks think it can be done via regex at all or do I need something more powerful like a CFG-based parser?</p>