title: Overlapping Book-Page Range
body: <p>I have a set of <code>Book-Page(6794-47)</code> range. Please note that page limit is not confirm.</p>
  
  <p>Now I want to check the overlapping of  book page range in multiple range list</p>
  
  <p>Please check below example.</p>
  
  <p>Below is my parameter range.</p>
  
  <pre>
  Start Book-Page Range ---- (21205-41) 
  
  End Book-Page Range ---- (21206-1674)
  </pre>
  
  <p>and want to extract the overlapped ranges from a range list
  Range List e.g</p>
  
  <pre>
  ---------------------------------------------------------------------------------
  21206-974 to 21206-5196 (overlapping since page 974 lies between parameter range)
  --
  21206-1974 to 21206-5196 (not overlapping)
  
  21207-74 to 21207-193 (not overlapping)
  
  21204-71 to 21205-100   (overlapping since page 100 lies between parameter range)
  --
  21205-31-21205-59 (overlapping)
  --
  </pre>
  
  <p>Now I need to get the all overlapping from list range. Please help me. </p>
  
  <p>Regards
  Arun Bhandari</p>