[PR] MINOR: Fix regex escaping in Kafka Streams WordCount examples [kafka]

["popsunlake (via GitHub)" <gi...@apache.org>]

popsunlake opened a new pull request, #22856:
URL: https://github.com/apache/kafka/pull/22856

   Several Kafka Streams WordCount and line-splitting examples use `\W+` directly in Java or Scala string literals. Because the regular-expression backslash is not escaped at the source-language level, the snippets contain an illegal string escape and cannot be compiled as shown.
   
   This change uses `\\W+` in the Processor API guide, introduction, quickstart, and tutorial so that the examples pass `\W+` to the regular-expression engine. No Kafka build or tests were run because the changes only correct string literals in documentation snippets; `git diff --check` passed.
   


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Re: [PR] MINOR: Fix regex escaping in Kafka Streams WordCount examples [kafka]

["github-actions[bot] (via GitHub)" <gi...@apache.org>]

github-actions[bot] commented on PR #22856:
URL: https://github.com/apache/kafka/pull/22856#issuecomment-5076842508

   A label of 'needs-attention' was automatically added to this PR in order to raise the
   attention of the committers. Once this issue has been triaged, the `triage` label
   should be removed to prevent this automation from happening again.


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