[{"store":"abc store","games":[{"gameId":12254,"score":88},{"gameId":12258,"score":70},{"gameId":12262,"score":98}]},{"store":"xyz store","games":[{"gameId":18244,"score":88},{"gameId":18248,"score":25},{"gameId":18252,"score":66}]}]

db.collection.find({"$expr":{$ne:[{$filter:{input:"$games.gameId",cond:{"$regexMatch":{"input":{"$toString":"$$this"},"regex":"122"}}}},[]]}})