[{"discounts":[{"_id":"628fd4cd7176540e9e1ad6c2","name":"asd < % $","code":"EGX2-VA2Q-H9LV","createdAt":"2022-05-26T19:28:13.168Z","updatedAt":"2022-05-26T19:28:13.168Z"},{"_id":"62e28bf56b91f508bbd8b703","name":"test edit","code":"51AD-QBQG-TRNJ","createdAt":"2022-07-28T13:15:33.140Z","updatedAt":"2022-07-28T13:15:33.140Z"}]}]

db.collection.find({discounts:{$elemMatch:{$or:[{name:{$regex:"test edit",$options:"i"}},{code:{$regex:"test edit",$options:"i"}}]}}},{discounts:{$filter:{input:"$discounts",cond:{$or:[{$regexMatch:{input:"$$this.name",regex:"test edit",options:"i"}},{$regexMatch:{input:"$$this.code",regex:"test edit",options:"i"}}]}}}})