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https://issues.apache.org/jira/browse/KAFKA-15538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lianet Magrans reopened KAFKA-15538:
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> Client support for java regex based subscription
> ------------------------------------------------
>
> Key: KAFKA-15538
> URL: https://issues.apache.org/jira/browse/KAFKA-15538
> Project: Kafka
> Issue Type: Sub-task
> Components: clients, consumer
> Reporter: Lianet Magrans
> Assignee: Phuc Hong Tran
> Priority: Major
> Labels: kip-848, kip-848-client-support
> Fix For: 3.8.0
>
>
> When using subscribe with a java regex (Pattern), we need to resolve it on
> the client side to send the broker a list of topic names to subscribe to.
> Context:
> The new consumer group protocol uses [Google
> RE2/J|https://github.com/google/re2j] for regular expressions and introduces
> new methods in the consumer API to subscribe using a `SubscribePattern`. The
> subscribe using a java `Pattern` will be still supported for a while but
> eventually removed.
> * When the subscribe with SubscriptionPattern is used, the client should
> just send the regex to the broker and it will be resolved on the server side.
> * In the case of the subscribe with Pattern, the regex should be resolved on
> the client side.
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