请参见倒数第二个输入.
注意:我使用的是http://try.mongodb.org/
> person = {fullname : "Derek Litz"}
{? "fullname" : "Derek Litz"? }
> db.people.save(person)
"ok"
> db.people.find()
? [ ? { "_id" : { "$oid" : "4df3b39ccc93747e68039f08" }, "fullname" : "Derek Litz" }? ]
> db.people.find({fullname : 'Derek Litz'})
? [ ? { "_id" : { "$oid" : "4df3b39ccc93747e68039f08" }, "fullname" : "Derek Litz" }? ]
> db.people.find({fullname : /^D.*/})
? [ ? ? ]
> db.people.find({fullname : {$regex : '^D.*'}})
? [ ? { "_id" …