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Question

Split Multi-Select Choice

  • July 31, 2026
  • 2 replies
  • 25 views

harfmt1
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I want to retrieve a SharePoint online multi choice field into a Nintex NAC task form and for it to be editable. 

I’ve created the multi choice control on the form and written it to the SharePoint online multi choice field.

Then I want to retrieve it into another task form to be edited. 

I’ve tried the workflow Regular Expression using split on ;#

The last item is not returned.

 

e.g. 

Item1;#Item2;#Item3

Item 3 does not populate into the choice control on the form.

 

Any idea why?

2 replies

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  • Nintex Employee
  • July 31, 2026

Hi ​@harfmt1 

I tried reproducing this in my tenant and wasn’t able to get it to reproduce.  Can you send the actual config for the regex action and the multiple choice control so I can see it?


harfmt1
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  • Author
  • Scholar
  • August 3, 2026

Thanks ​@brent_read, I've resolved the issue.

 

Once I captured what was being written to the SharePoint list from the task form, there is a blank choice option at the beginning of the collection. So, when it goes to retrieve the items, one of them is the first blank item and the last item is left off. 

 

This is happening because this task can be accessed more than once and the second access to the task needs the choice fields populated from a list query. 

 

I've worked out the problem.

If the collection is blank (first time around), I don’t use the retrieved the choice items. Instead leave the blank collection variable in the field default. 

if the collection is not blank (second time around), I use the retrieved the choice items and assign to the collection variable.