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https://issues.apache.org/jira/browse/HIVE-3979?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HIVE-3979:
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Fix Version/s: (was: 0.11.0)
> Provide syntax for unescaped regex on rlike, and other regexp_* functions
> -------------------------------------------------------------------------
>
> Key: HIVE-3979
> URL: https://issues.apache.org/jira/browse/HIVE-3979
> Project: Hive
> Issue Type: New Feature
> Components: UDF
> Affects Versions: 0.10.0
> Environment: All Queries, JDBC and cli
> Reporter: John Omernik
> Labels: patch
>
> To make hive more intuitive, can we provide a syntax for hive functions that
> when encompassing a regex, that regex doesn't have to the standard hive
> double escape? For example
> column rlike '\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}'
> could become
> column rlike '/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/'
> In this case, just using PERL's regex brackets, but could be anything...
> The point is to be able to take a standard JAVA/Perl type regex and cut and
> paste it into a query. This would allow for faster query development, more
> mainstream adoption by those with regex experience, and intuitive transition
> to hive query writing.
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