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Isolate a List ID from a lookup field

Question asked by davidjohnson5000 on Feb 28, 2017
Latest reply on Mar 2, 2017 by Enrico Knapp

I have List A that allows multiple ID's to be selected via a lookup field souced in List B. The ID's display as 23;24;25.  Since I need to isolate these ID's so I can later update List B with some data from List A what would be the best course of action to isolate the ID's.  Once I have the ID's isolated my plan was to do a For Each on the ID and update List B via Query List.


I know I need to do a regular expression to split, but I am not sure how...My flow would be

Regular Expression

Collection ?

For Each 

Query List