- 
    Type:Bug 
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    Resolution: Fixed
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    Priority:Major - P3 
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    Affects Version/s: 1.15.1
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        Iteration Zebra
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        None
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        None
In the mongo shell, the $not operator is allowed and documented for use against regular expressions.
db.inventory.find( { item: { $not: /^p.*/ } } )
However, the Compass query bar does not accept this query.
Please refer to the screenshots with both standard regex expression and $regex.
- causes
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                    COMPASS-4146 Disable validation in agg builder, query bar and schema validation -         
- Closed
 
-         
- related to
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                    COMPASS-3527 Add support for $not with $regex -         
- Closed
 
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