I don't believe you can use the global search to find only cards within a specific workspace. I can pass your request on to our product development team.
In the meantime, however, you may be able to find the cards you're looking for using the Workspace table. If you add all workspace boards to the table, you should be able to filter the results from there. I'd be curious to know if this works for your needs or not.
Congratulations to @Laura Holton , our latest winner of Taco Tuesday! And thanks to @Kristján Geir Mathiesen for sharing the picture of Taco having fun with his new friend B...
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