title: Find non-ASCII characters in a text file and convert them to their Unicode equivalent
body: <p>I am importing .txt file from a remote server and saving it to a database. I use a .Net script for this purpose. I sometimes notice a garbled word/characters (<code>Ullerهkersvنgen</code>) inside the files, which makes a problem while saving to the database.</p>
  
  <p>I want to filter all such characters and convert them to unicode before saving to the database.</p>
  
  <p>Note: I have been through many similar posts but had no luck.</p>
  
  <p>Your help in this context will be highly appreciated.</p>
  
  <p>Thanks.</p>