php，$collection>find(["field" => new \MongoDB\BSON\Regex("pattern", "i")]);，``php，$collection>find(["field" => new \MongoDB\BSON\Regex("pattern", "i")]);，``php，$collection = $mongodb>selectCollection('your_collection');，$query = ['name' => new MongoDB\BSON\Regex('pattern', 'i')];，$results = $collection>find($query);，`，，这里pattern是你要匹配的字符串模式，i`表示不区分大小写。Powered By Z-BlogPHP 1.7.3
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