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https://issues.apache.org/jira/browse/NIFI-1123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15008009#comment-15008009
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ASF GitHub Bot commented on NIFI-1123:
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Github user jskora commented on the pull request:
https://github.com/apache/nifi/pull/116#issuecomment-157265254
Interesting. Before I enabled EL support, it had a
REGULAR_EXPRESSION_VALIDATOR which would have caught those. Is there a way to
validate a property that supports expression language to verify that the output
will be an attribute key?
> Extend the "Delete Attributes Expression" to support Expression Language
> ------------------------------------------------------------------------
>
> Key: NIFI-1123
> URL: https://issues.apache.org/jira/browse/NIFI-1123
> Project: Apache NiFi
> Issue Type: Improvement
> Components: Core Framework
> Reporter: Joe Skora
> Assignee: Joe Skora
> Priority: Minor
> Labels: easyfix, features, patch
>
> Allow the "Delete Attributes Expression" to accept Expression Language to
> dynamically produce the regular expression to identify attributes to be
> deleted per discussion on
> [NIFI-641|https://issues.apache.org/jira/browse/NIFI-641].
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