Atom.io text replace for ReseachBank

gistfile1.js

Date.prototype.yyyymmdd = function() {
   var yyyy = this.getFullYear().toString();
   var mm = (this.getMonth()+1).toString(); // getMonth() is zero-based
   var dd  = this.getDate().toString();
   return yyyy + (mm[1]?mm:"0"+mm[0]) + (dd[1]?dd:"0"+dd[0]); // padding
  };

d = new Date();
$date = d.yyyymmdd();
editor = atom.workspace.activePaneItem
$text = editor.getText();
$text = $text.replace(/20uu9999/g,$date);
$text = $text.replace(/\&\#xA9\;/g, '©'); 
$text = $text.replace(/\&\#x201C\;|\&\#x201D\;|\&\#x2019\;|\&\#x2018\;/gi, "'");
$text = $text.replace(/\&\#xD\;/g,' ');
$text = $text.replace(/  /g,' ');
$text = $text.replace(/ \</g,'<');
$text = $text.replace(/\> /g,'>');
editor.setText($text);