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Posted to issues@calcite.apache.org by "Mihai Budiu (Jira)" <ji...@apache.org> on 2023/08/08 17:47:00 UTC

[jira] [Commented] (CALCITE-5910) Implement BigQuery functions REGEXP_EXTRACT and REGEXP_EXTRACT_ALL

    [ https://issues.apache.org/jira/browse/CALCITE-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17752146#comment-17752146 ] 

Mihai Budiu commented on CALCITE-5910:
--------------------------------------

There are many languages that describe regular expressions, that differ subtly from one another.
BigQuery uses re2: https://github.com/google/re2/wiki/Syntax which is similar to Java's regular expressions, but not identical.


> Implement BigQuery functions REGEXP_EXTRACT and REGEXP_EXTRACT_ALL
> ------------------------------------------------------------------
>
>                 Key: CALCITE-5910
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5910
>             Project: Calcite
>          Issue Type: Task
>            Reporter: Jerin John
>            Assignee: Jerin John
>            Priority: Major
>              Labels: pull-request-available
>
> Add support for REGEXP_CONTAINS function from BigQuery.
> Function returns TRUE if input value is a partial match for the regular expression.



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