   constructor: ->
     super
       engineUrl: "https://www.uptodate.com/services/app/contents/search/autocomplete/json?term=%s&limit=10"
-      regexps: "^https?://www\\.uptodate\\.com/"
+      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://suggestqueries.google.com/complete/search?ss_protocol=legace&client=toolbar&q=#{@prefix.split(' ').join '+'}%s"
      regexps: "^https?://[a-z]+\\.google\\.(com|ie|co\\.(uk|jp)|ca|com\\.au)/maps"
      example:
        searchUrl: "https://www.google.com/maps?q=%s"
        keyword: "m"

  constructor: ->
    super
      engineUrl: "https://en.wikipedia.org/w/api.php?action=opensearch&format=json&search=%s"
      regexps: ["^https?://[a-z]+\\.wikipedia\\.org/"]
      example:
        searchUrl: "https://www.wikipedia.org/w/index.php?title=Special:Search&search=%s"
        keyword: "w"
