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Evaluation Query Operators
Note
For details on specific operator, including syntax and examples, click on the specific operator to go to its reference page.
| Name | Description | 
|---|---|
| $expr | Allows use of aggregation expressions within the query language. | 
| $jsonSchema | Validate documents against the given JSON Schema. | 
| $mod | Performs a modulo operation on the value of a field and selects documents with a specified result. | 
| $regex | Selects documents where values match a specified regular expression. | 
| $text | Performs text search. | 
| $where | Matches documents that satisfy a JavaScript expression. |