Adding special characters to numbers not to text

Question

Good Day Pros,

I am reaching out today as I have a situation where I have a text box " % Body Fat ". I am looking for a way that if a number is entered in it will add the % sign to the backside of the number. If the text W/S is entered, it will just be W/S. Is it possible to do this?

PDF Automation Station · Answer

Enter the following as a custom format script:if(!isNaN(event.value)){event.value=event.value+"%"}

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