 class DummyCompletionEngine extends BaseEngine
   constructor: ->
     super
-      regexps: "."
+      regexps: ["."]
       dummy: true
 
 # Note: Order matters here.

  constructor: ->
    super
      engineUrl: "https://www.uptodate.com/services/app/contents/search/autocomplete/json?term=%s&limit=10"
      regexps: "^https?://www\\.uptodate\\.com/"
      example:
        searchUrl: "https://www.uptodate.com/contents/search?search=%s&searchType=PLAIN_TEXT&source=USER_INPUT&searchControl=TOP_PULLDOWN&autoComplete=false"
        keyword: "upto"

  constructor: ->
    super
      engineUrl: "https://duckduckgo.com/ac/?q=%s"
      regexps: ["^https?://([a-z]+\\.)?duckduckgo\\.com/"]
      example:
        searchUrl: "https://duckduckgo.com/?q=%s"
        keyword: "d"
