improve weather regex

scripts/meteo.coffee

@@ -16,7 +16,7 @@
 
 moment = require 'moment'
 
-regex = /(?:(?:d(?:a|i)mmi il )?meteo(?: per (.+))?|che tempo (?:fa|c'è)(?: (?:a|in) (.+))?)\??$/i
+regex = /(?:(?:(?:mi (?:dici|dai)|dammi) (?:il (?:tempo|meteo)|(?:le previsioni)))(?: ?(?:(?:per ?(?:(?:l')|il |lo |la |i |gli |le )?)|di |a ))?|(?:che tempo (?:fa|(?:c'?(?:è|e|e')))(?: ?(?:in|a) )?))([^?!]+)?.*$/i
 
 url1 = 'http://ip-api.com/json/'
 url2 = 'http://api.openweathermap.org/data/2.5/weather?lang=it&units=metric'
@@ -64,7 +64,7 @@ module.exports = (robot) ->
       tramonto alle #{dusk}"
 
   robot.respond regex, (res) ->
-    city = res.match[1] || res.match[2]
+    city = res.match[1]
     if city?
       get_weather city, send_weather res
     else