RabbitMQ in Depth by Gavin M. Roy

Author:Gavin M. Roy [Gavin M. Roy]
Language: eng
Format: epub, pdf
Publisher: Manning Publications
Published: 2017-09-24T16:00:00+00:00

6.3. Selectively routing messages with the topic exchange

Like direct exchanges, topic exchanges will route messages to any queue bound with a matching routing key. But by using a period-delimited format, queues may bind to routing keys using wildcard-based pattern matching. By using the asterisk (*) and pound (#) characters, you can match specific parts of the routing key or even multiple parts at the same time. An asterisk will match all characters up to a period in the routing key, and the pound character will match all characters that follow, including any subsequent periods.

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