/**
 * Strip word BS
 */
function stripMSWord(input) {
  // 1. remove line breaks / Mso classes
  var output = input.replace(/(\|\\r| class=(")?Mso[a-zA-Z]+(")?)/g, '');
  // 2. strip Word generated HTML comments
  output = output.replace(/<\!--(\s|.)*?-->/gim, '');
  output = output.replace(/<\!(\s|.)*?>/gim, '');
  // 3. remove tags leave content if any
  output = output.replace(/<(\/)*(meta|link|html|head|body|span|\\\\?xml:|xml|st1:|o:|w:|m:|v:|font)(\s|.)*?>/gim, '');
  // 4. Remove everything in between and including tags '<style(.)style(.)>'
  var badTags = ['style', 'script', 'applet', 'embed', 'noframes', 'noscript'];
  for (var i in badTags) {
    let tagStripper = new RegExp('<' + badTags[i] + '(\s|.)*?' + badTags[i] + '(.*?)>', 'gim');
    output = output.replace(tagStripper, '');
  }

  // 5. remove attributes ' style="..."', align, start
  output = output.replace(/style='(\s|.)*?'/gim, '');
  output = output.replace(/ align=.*? /g, '');
  output = output.replace(/start='.*?'/g, '');
  return output;
}