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Current state: Under Discussion

Discussion thread: msg81955 here <- Needs to be updated once message posts

JIRA: KAFKA-3073 

Please keep the discussion on the mailing list rather than commenting on the wiki (wiki discussions get unwieldy fast).

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If 'topics.pattern' is specified, its string value will be used to instantiate a regex Pattern which will be passed to subscribe instead of a list of strings.

If both 'topics.pattern' and 'topics' are specified, a ConfigException will be thrown to prevent startup.

Compatibility, Deprecation, and Migration Plan

'topics.pattern' will default to null the empty string "" so that existing configurations will not be affected by the additional option.

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