Do you plan to support regular expressions in $in queries ?

http://pastie.org/636463

> j =

{ name: "mongo"}

;

{"name" : "mongo"}

> db.things.save(j);
> db.things.find(

{name: /.*mongo.*/i}

);

{"_id" : ObjectId( "4ac3312ffce86d635643cb7c") , "name" : "mongo"}

> db.things.find({name:{$in: [/.*mongo.*/i]}});
>