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How to not use a list item more than once.

Question asked by dougbrowning on Feb 27, 2019
Latest reply on Mar 4, 2019 by dougbrowning

I have a select one list in a repeat where I want to stop, or warn, a user if they pick an item more than once during the repeats.  This list is about 1,300 items.

 

I created a field that keeps a running list from my repeat

join(", ", ${SpeciesList})

 

I tried this constraint on the list  not(contains(${AllPlants}, ${SpeciesList}))  but it always triggers since it is in the list as soon as i pick it.

 

Is there a way to count the number of string occurrences?  Or remove it from the check somehow.

 

Thanks for any ideas

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