[OASIS Issue Tracker] (MQTT-283) Extend wildcard syntax

[ https://issues.oasis-open.org/browse/MQTT-283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Coppen updated MQTT-283:
--------------------------------

    Affects Version/s: 5

> Extend wildcard syntax
> ----------------------
>
>                 Key: MQTT-283
>                 URL: https://issues.oasis-open.org/browse/MQTT-283
>             Project: OASIS Message Queuing Telemetry Transport (MQTT) TC
>          Issue Type: Improvement
>          Components: futures
>    Affects Versions: 5
>            Reporter: Ken Borgendale
>            Assignee: Ken Borgendale
>
> The current MQTT v3.1.1 wildcard syntax in a topic filter only allows the + wildcard as the only item in a level.  We have frequently had customers try to use this wildcard after some characters in a level.  The only way around this is to change the topic structure which is quite difficult for established applications.
> My proposal is to slightly relax the restriction in the wildcard syntax to say that the plus must be the last character at a level, but does not need to be the first.
> Thus we would allow something like:
>     my/x+/topic



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