MongoDB Connector 26.3
MongoDB Connector Help

# DocumentMustHaveRegex

A regular expression to choose the documents to process. The value of the `_id` field in a document must match the regular expression, otherwise the document is ignored.

Type: | String (regular expression)
Default: |
Required: | No
Configuration Section: | TaskName or FetchTasks
Example: | `DocumentMustHaveRegex=<ObjectId>`
See Also: | DocumentCantHaveRegex

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery MongoDB Connector 26.3

Topic Title: DocumentMustHaveRegex