title: Tesseract OCR only numbers
body: <p>I am using tesseract for iOS and I can't seem to figure out how to get it only to try and read numbers. I am using the newest english release downloaded from the tesseract website. Does anyone know how to do this?</p>
  
  <p>These are the files I have:</p>
  
  <p><img src="https://i.stack.imgur.com/SFH2q.png" alt="enter image description here"></p>
  
  <p>Thanks in advance!</p>