RT https://godoc.org/upper.io/db/mongo 提供了个find函数，然而我想进行模糊匹配。func (self *Collection) Find(terms ...interface{}) db.Result
试图通过下列方法传参
temp := map[string]string{
"$regex:": ".*",
}
count, _ := col.Find(db.Cond{"url": temp}).Count()然而并不能进行正则匹配
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Why your
$regex后面还有个:colon?