title: Combining $regex and $or operators in MongoDB Bson for .net Core project
body: <p>I need Bson format Mongo query for Dot net core project
  for following query</p>
  <pre><code>&quot;{\&quot;$match\&quot;:{\&quot;FloorID\&quot;:\&quot;aabc5c02c3be4f7c9cc71ee8fdc0be14\&quot;,\&quot;$or\&quot;:[{\&quot;Name\&quot;:{\&quot;$regex\&quot;:\&quot;^door$\&quot;,\&quot;$options\&quot;:\&quot;i\&quot;}}]}}&quot;
  </code></pre>
  <p>thanks</p>