Highlight non-ascii characters by extending Sublime Highlighter Package

gistfile1.txt

// First install the Sublime Text 2/3 package named Highlighter
// then update the user settings here: highlighter.sublime-settings -User

{
  "highlighter_enabled": true,
  "highlighter_regex": "(\t+ +(?![*]))|( +\t+)|[^\\x00-\\x7F]|[\u2026\u2018\u2019\u201c\u201d\u2013\u2014]|[\t ]+$",
  "highlighter_scope_name": "invalid",
  "highlighter_scope_name_cool": "constant.character.entity.html",
  "highlighter_max_file_size": 1048576,
  "highlighter_delay": 3000
}