chia7712 commented on code in PR #20865:
URL: https://github.com/apache/kafka/pull/20865#discussion_r2518142218
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tools/src/main/java/org/apache/kafka/tools/TopicCommand.java:
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@@ -751,8 +751,7 @@ public TopicCommandOptions(String[] args) {
KAFKA_CONFIGS_CLI_SUPPORTS_ALTERING_TOPIC_CONFIGS);
describeOpt = parser.accepts("describe", "List details for the
given topics.");
topicOpt = parser.accepts("topic", "The topic to create, alter,
describe or delete. It also accepts a regular " +
- "expression, except for --create option. Put topic
name in double quotes and use the '\\' prefix " +
- "to escape regular expression symbols; e.g.
\"test\\.topic\".")
+ "expression, except for --create option.")
Review Comment:
I am not sure I caught your point. The dot could represent either a "normal
name" or a "regex pattern"
For example, there are two topics - `abc-` and `abc.`
1. `"abc."` will match both
2. `"abc\." will match only `abc.`
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