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https://issues.apache.org/jira/browse/NIFI-8930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17831439#comment-17831439
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Joe Witt commented on NIFI-8930:
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[~tlsmith]Hey sorry this one must have gotten lost in the shuffle. The
processor works on the basis of an extremely fast [search
algorithm|https://en.wikipedia.org/wiki/Aho%E2%80%93Corasick_algorithm] which
is a very different animal than regex so that might be part of the delta. What
you want to do makes sense for sure just not sure if 'this' is the right
component or not.
> Add ability for ScanAttribute processor to match on attribute values
> containing a delimited list of values.
> -----------------------------------------------------------------------------------------------------------
>
> Key: NIFI-8930
> URL: https://issues.apache.org/jira/browse/NIFI-8930
> Project: Apache NiFi
> Issue Type: Improvement
> Affects Versions: 1.14.0
> Reporter: Tim Smith
> Assignee: Tim Smith
> Priority: Minor
> Time Spent: 40m
> Remaining Estimate: 0h
>
> The ScanAttribute processor is limited in that an exact match is required
> when applied for attribute value. There are many times an attribute contains
> a delimited list of values. It would be useful to specify a delimiter andÂ
> have the match criteria applied to each delimited value in the attribute. Two
> additional property descriptors need created, 'Delimiter' and 'Delimited
> Match Criteria'. 'Delimiter' sets the delimiter to apply to the attribute(s).
> 'Delimited Match Criteria' specifies how the delimited attributes should
> match the dictionary. If 'All Must Match' is selected, all delimited values
> must match a dictionary term/pattern for attribute to be matched. For 'At
> Least 1 Must Match' , if any one delimited value matches,then the attribute
> matches.
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