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https://issues.apache.org/jira/browse/HIVE-4100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13590803#comment-13590803
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thattommyhall commented on HIVE-4100:
-------------------------------------
The particular case I had was
regexp_replace(some_column,"[^\\u0000-\\uffff]","\ufffd")
does not work, whereas
regexp_replace(some_column,"[^\\u0000-\\uffff]","�")
does.
So we need a way to specify unicode chars in the replace string.
> Improve regex_replace UDF to allow non-ascii characters
> -------------------------------------------------------
>
> Key: HIVE-4100
> URL: https://issues.apache.org/jira/browse/HIVE-4100
> Project: Hive
> Issue Type: Improvement
> Components: UDF
> Affects Versions: 0.10.0
> Reporter: Mark Grover
> Assignee: Mark Grover
> Fix For: 0.11.0
>
>
> There have a been a few email threads on the user mailing list regarding
> regex_replace UDF not supporting non-ASCII characters. We should validate
> that and improve the UDF to allow it. Translate UDF will be a good reference
> since it does that by using code points instead of characters
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