B4J Question How to query MongoDB with "like" ?

[ajk]

How to correctly use in MONGO database LIKE condition? Regex?
Unfortunately code below do not work...

Private mongo As MongoClient
Private db As MongoDatabase
KOL = db.GetCollection("bx")
Dim l As Long = KOL.Delete (CreateMap("gen": "/m/"))

 

[ajk]

So let me answer my question...
Dim l As Long = KOL.Delete(CreateMap("gen" : CreateMap( "$regex" : "m")))