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https://issues.apache.org/jira/browse/DRILL-572?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14092232#comment-14092232
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Jacques Nadeau commented on DRILL-572:
--------------------------------------
You must use Java character classes.
> regexp_replace function returns incorrect result
> ------------------------------------------------
>
> Key: DRILL-572
> URL: https://issues.apache.org/jira/browse/DRILL-572
> Project: Apache Drill
> Issue Type: Bug
> Components: Functions - Drill
> Affects Versions: 1.0.0
> Reporter: Krystal
> Assignee: Krystal
> Fix For: 0.5.0
>
>
> Ran the following query from drill:
> select regexp_replace('408.123.4567',
> '([[:digit:]]{3})\.([[:digit:]]{3})\.([[:digit:]]{4})','(\1) \2-\3') from
> voter where voter_id=10;
> The following result was returned:
> +------------+
> | EXPR$0 |
> +------------+
> | 408.123.4567 |
> +------------+
> The correct answer should be:
> (408) 123-4567
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