MongoDB Query Language (MQL) Evaluation Query Operators
Evaluation query operators are used to evaluate expressions and conditions within your queries. They help you filter documents based on specific criteria, allowing for more precise and dynamic querying capabilities.
$expr
Allows the use of aggregation expressions within the query language for complex field comparisons and calculations.
$jsonSchema
Validates documents against a JSON Schema specification to ensure data structure and type conformity.
$mod
Performs a modulo operation and matches documents where the field value modulo divisor equals the specified remainder.
$regex
The `$regex` operator is used to perform pattern matching with regular expressions.
$text
Performs full-text search on string content with support for language-specific stemming, case sensitivity, and phrase matching.