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https://issues.apache.org/jira/browse/SOLR-6383?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14100015#comment-14100015
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ASF subversion and git services commented on SOLR-6383:
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Commit 1618488 from sha...@apache.org in branch 'dev/trunk'
[ https://svn.apache.org/r1618488 ]
SOLR-6383: RegexTransformer returns no results after replaceAll if regex does
not match a value
> regexTransformer returns no results if there is no match
> --------------------------------------------------------
>
> Key: SOLR-6383
> URL: https://issues.apache.org/jira/browse/SOLR-6383
> Project: Solr
> Issue Type: Bug
> Reporter: Alexander Kingson
> Attachments: SOLR-6383.patch, regexTransformer.patch
>
>
> When used in data-import config file to replace spaces in title with _
>
> <field column="title_underscore" regex="\s+" replaceWith="_"
> sourceColName="title" />
> regexTransformer returns empty results for titles without spaces, i.e. when
> there is no match for the regex. According to the description it is
> equivalent to replaceAll which returns string when there is no match.
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