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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.
←   $type $expr  →