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Can I look for a hard return in a multi line text box?

Question asked by wisebound03 on Jul 12, 2017
Latest reply on Sep 15, 2017 by emha

I have a multi line text box in a repeating section and I get that I can validate the field for character length, however, what we're actually worried about is people going beyond the 5 lines we have allowed. Right now, the solution is in phase 1, which means that the users fill out the form then print it out. We need the users to print from an edit screen, hence why we need them to not go beyond 5 lines. Is there a way to do that using a runtime function? I'd like to stay away from JavaScript if possible.