I have a problem that contains (in German 'enthält') function is not working corretly in formatting rule in Nintex Forms 2013.
I want the text box not to have a dot/point '.' in it. But this does not work.
With other strings ('abc') it works correctly.
Maybe the dot is a interpreted sign and I have to mark it as such, but how?
Control invalid if:
Thanks for any suggestions.