title: How to remove text and symbols middle to the end of a text string in r?
body: <p>I have several strings of text where at the end of the country name is [4] or [8] or [3] I.E. digits 1-20 </p>
  
  <p>ex1: Bulgaria[6] </p>
  
  <p>how do I remove the [6] and just have Bulgaria?</p>
  
  <p>ex2: 100 Haddon Ave, Westmont, NJ </p>
  
  <p>how to remove all the info after the commas to just get 100 Haddon Ave ?</p>