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https://issues.apache.org/jira/browse/SPARK-16876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15405961#comment-15405961
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Kapil Singh commented on SPARK-16876:
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For example, consider a data field in which miscellaneous product metadata is
coming as single string
"product_id=325173517;ref=abcorg;product_id=8712176531;ref=xyzorg" and all
product ids are to be extracted. There is no direct way to achieve this through
existing expressions.
> Add match Column expression for regular expression matching in Scala API
> -------------------------------------------------------------------------
>
> Key: SPARK-16876
> URL: https://issues.apache.org/jira/browse/SPARK-16876
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Reporter: Kapil Singh
> Priority: Minor
>
> RegExpExtract expression gets only the i_th_ regular expression match. A
> match expression should be there to get all the matches as an array of
> strings.
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