You can use comment as a searchable field in JQL. if you are searching for the term "ABC" in a comment, use this:
comment ~ 'ABC'
However, beaware you should try & restrict the search to a project, issue type or category otherwise it could search the index for every comment in your Jira would could be quite slow
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
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