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https://issues.apache.org/jira/browse/PHOENIX-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15154561#comment-15154561
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James Taylor commented on PHOENIX-2646:
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bq. I looked into doing my own UDF but shied away because of BYO class 
versioning.
Can you expand on this, [~ndimiduk] as I don't understand the concern. Using 
UDFs seems like the right way to go here while we finish the Calcite 
integration.

> Extend VARCHAR matching with ~ regex syntax
> -------------------------------------------
>
>                 Key: PHOENIX-2646
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2646
>             Project: Phoenix
>          Issue Type: New Feature
>            Reporter: Nick Dimiduk
>
> We already support {{REGEXP}} functions for string manipulation. Let's add 
> full regex matching support as well. For example, Postgres has the {{~}} 
> operator for [POSIX regular expression 
> matching|http://www.postgresql.org/docs/9.3/static/functions-matching.html#FUNCTIONS-POSIX-REGEXP].



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