This is a response rewriting stage that removes fields that match a regular expression from a document. This stage must be used after the Solr Query stage in your pipeline.
The sourceField/Source Field can be a String Template.
This stage adds to the context a list of maps (type String, String) that tracks, based on document position, which fields were removed from the document.

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Configuration

When entering configuration values in the UI, use unescaped characters, such as \t for the tab character. When entering configuration values in the API, use escaped characters, such as \\t for the tab character.