Can you share your Siddhi code block here? I feel like what you have request here is similar to the functionality of SQL IN operator, rather than a regex.
Also, have you tried to use the regexp function [1]? [1] https://wso2-extensions.github.io/siddhi-execution-string/api/4.0.19/#regexp-function Thanks. On Wed, Aug 8, 2018 at 5:16 PM Thisaru Guruge <[email protected]> wrote: > Hi all, > > I have a use case where I need to retrieve data from an aggregation using > regex. > > The exact scenario is that I have a comma separated string, where I need > to retrieve data if one of the comma separated value is matching a string. > > I used String tokenizer to tokenize the comma separated values, but then > it will create duplicate events, hence aggregate values can be misleading. > If we can match regex this can be avoided. > > I had a discussion with @Niveathika Rajendran <[email protected]> about > the matter, and what I learnt is that the "on" clause in siddhi matches the > strings using "equals" function in Java, hence regex might not work. > > Can we enhance it to match regex ? Or is there any workaround for this ? > > As per my understanding, it will be a huge load in the front end, if we > process this in the front-end side. Is it okay to process it in the front > end? > > Please comment. > > -- > Thanks and Best Regards, > Thisaru Guruge > Software Engineer > Mobile: +94 71 720 9720 > > > WSO2 Inc.: http://www.wso2.com > > > -- Sajith Janaprasad Ariyarathna Senior Software Engineer; WSO2, Inc.; http://wso2.com/ <https://wso2.com/signature>
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