Support for regex queries in presets

common.coffee

@@ -79,5 +79,6 @@ exports.NUMBER_TYPE = NUMBER_TYPE
 exports.STRING_TYPE = STRING_TYPE
 exports.ARRAY_TYPE = ARRAY_TYPE
 exports.OBJECT_TYPE = OBJECT_TYPE
+exports.REGEXP_TYPE = REGEXP_TYPE
 
 exports.typeOf = typeOf

mongo-query.coffee

@@ -9,10 +9,14 @@ test = (obj, query) ->
       value = common.getParamValueFromPath(obj, k)
 
       if common.typeOf(v) isnt common.OBJECT_TYPE
+        # TODO comparing array to regex, array to array, and object to object
         if common.typeOf(value) is common.ARRAY_TYPE
           res = value.indexOf(v) != -1
         else
-          res = v == value
+          if common.typeOf(v) is common.REGEXP_TYPE
+            res = v.test(value)
+          else
+            res = v == value
       else
         for k2,v2 of v
           switch k2