Mutually Exclusive Check Boxes

[Seth Parkhurst]

I found that using the not operator with contains allows for mutually exclusive answers in a list of multi-select options.  I was not able to find a topic similar here so felt appropriate to post.

$Control1[not(contains(text(), 'answer5'))] or $Control1[not(contains(text(), 'answer10'))]

[Alessandro Vernet]

Hi Seth,

Thank you for the tip. And, more simply, you can also use the expression
below, which says that to be valid we either want 0 or 1 values to be
selected.

count(xxf:split(.)) = (0, 1)

‑Alex

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