No need to use replace if that is what you want
Try
If {_WorkOrder.ConfigProptext} like "*Feet*" then left({_WorkOrder.ConfigProptext}, 15) else {_WorkOrder.ConfigProptext}
Ian
If you're trying to replace the word "Feet" with "Romano", try this:
Replace ({_WorkOrder.ConfigProptext}, "Feet", "Romano")
-Dell
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