title: How to remove special characters in start and end of string using Kotlin?
body: <p>I have a string with text like:</p>
  
  <pre><code>\n\thttp://exam\nple.com/\t\n\r. 
  </code></pre>
  
  <p>How to delete special characters only from start and end of string in Kotlin and don't touch characters in middle of line?</p>