Radio button option group adding space to end of string property

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When I use findobj to search for a radio button in an option group based on each button's String property, I keep getting empty sets.
h = findobj(handle.optionGroup, 'String', strVariable);
I have discovered that a space character is being added to the end of the String of the buttons, so findobj never can match it to my variable. I have manuallly checked the property window multiple times for each button, and there are no extra spaces at the end of their strings.
Why does this happen?

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CAM
CAM am 11 Apr. 2016
Thank you for the quick reply, Walter. I will consider your cell-array tip in the future for a more robust GUI.
Just before your email arrived, I solved it. I went to the zoom box for the String property of each radio button, highlighted from the "bottom" to the last 2 characters of the entered string, hit delete, then retyped the last 2 characters. I guess some kind of hidden character (line feed?) was added to the end of the strings, so my odd method removed it.
Thanks again for your time.
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Elizabeth Valentin
Elizabeth Valentin am 9 Mai 2016
Hello, I have the same problem. The string has more spaces at the end of it. I am building the user interface via guide. Where can I find the zoom box? Thanks! :)

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Walter Roberson
Walter Roberson am 11 Apr. 2016
Another possibility is that the handle visibility might be set to callback or off . You would need to use findall() instead of findobj() for those.
Are you setting the String property to a cell array of strings, or are you setting it to a string? If you are setting it to a string, does it include any "|" (or bar) characters? Safest is to set it to a cell array of strings.

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