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https://issues.apache.org/jira/browse/SPARK-39499?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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melin resolved SPARK-39499.
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Resolution: Duplicate
> Substring function support pattern expression
> ---------------------------------------------
>
> Key: SPARK-39499
> URL: https://issues.apache.org/jira/browse/SPARK-39499
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.4.0
> Environment: h3. SUBSTRING({_}string_expression{_} varchar, _pattern_
> varchar) → varchar
> * string_expression: Base expression to extract substring from.
> * pattern: The offset from which the substring starts.
> *Examples*
> {{SELECT SUBSTRING('dremio user 123', '[0-9]+')}}
> {{{}{}}}{{{}-- 123{}}}
> Reporter: melin
> Priority: Major
>
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