MATLAB: If condition with a cell include both number string and text string

if condition with a cell include both text and number

Hi everyone,
I have a cell:
mycell ={'text','-1','0','','textnumber01234','3123','0.111'}
I'm trying using if condition for showing a error window with each value of each cell element except two last elements ('3123','0.111'). These string elements which are converted to number by str2double have values greater than 0.
mycell={'text','-1','0','','text-with-number01234','3123','0.111'}
for ii=1:length(mycell)
    if strcmp(mycell(ii),'') || str2num(mycell(ii))<=0 || isempty(mycell(ii))
        % --- FIGURE -------------------------------------
    figure1= figure( ...
      'Tag', 'figure1', ...
      'Units', 'pixels', ...
      'Position', [515 655 310 90], ...
      'Name', 'Wrong format data', ...
      'MenuBar', 'none', ...
      'NumberTitle', 'off', ...
      'Color', [0.941 0.941 0.941]);
    % --- STATIC TEXTS -------------------------------------
        uicontrol( ...
      'Parent', figure1, ...
      'Tag', 'text1', ...
      'Style', 'text', ...
      'Units', 'pixels', ...
      'Position', [25 17 250 50], ...
      'FontSize', 10, ...
      'String', {'Please enter right format data'}, ...
      'HorizontalAlignment', 'left');
        return
    end
end
My code doesn't work properly.
Could someone help me?
Thanks.

Best Answer

The problem here is the use of str2num in your conversion and the fact one of your inputs is text (which is a matlab function name which returns a handle), try:
 str2num ( 'text' )
the result may surprise you....
the quirky result is because str2num uses eval. - str2double is generally a much better solution, with that in mind see below:
 mycell={'text','-1','0','','text-with-number01234','3123','0.111'};
 index = cellfun ( @str2double, mycell );
 flags = ~(isnan(index) + index>0);
 for ii=1:length(mycell)
    if flags(ii)
        % --- FIGURE -------------------------------------
    figure1= figure( ...
      'Tag', 'figure1', ...
      'Units', 'pixels', ...
      'Position', [515 655 310 90], ...
      'Name', 'Wrong format data', ...
      'MenuBar', 'none', ...
      'NumberTitle', 'off', ...
      'Color', [0.941 0.941 0.941]);
    % --- STATIC TEXTS -------------------------------------
        uicontrol( ...
      'Parent', figure1, ...
      'Tag', 'text1', ...
      'Style', 'text', ...
      'Units', 'pixels', ...
      'Position', [25 17 250 50], ...
      'FontSize', 10, ...
      'String', {'Please enter right format data'}, ...
      'HorizontalAlignment', 'left');
        return
    end
 end
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