Line breaks and and spacing in subsystem.

I created a function that finds spaces in a subsystem and erases them. The problem I am currently having is that is when I am trying to retrieve only the subsystems with blanks in their names the functions retrieves them more than once. For Example:

'ISP/Fuelproperties/liqFuelISP

'ISP/Fuelproperties/liqFuelISP

'I_sprntisp/No SPRINT Installed'

'I_sprntisp/SPRINT Installed'

'I_sprntisp/SPRINT Installed/Airless SPRINT Installed'

'I_sprntisp/SPRINT Installed/SPRINT Normal Installed'

'I_sprntisp/SPRINT Installed/Airless SPRINT Installed'

'I_sprntisp/SPRINT Installed/SPRINT Normal Installed'

The Erroror I am getting is:

The name 'liqFuelISP' already exists in 'ISP/Fuelproperties'. Note: line breaks and spaces are equivalent in names

 allSubsystems = recursiveModelReferenceBlock(char(getfullname(system)),[]);
    SubsystemsBlanks=find_system(allSubsystems,'RegExp','On','blockType','SubSystem','Mask','off','Name','\s');
   %{
      SubsystemsBlanks is duplicated subsystems names, which is causing an
      error when the function is being runned. it does it's job, but
      because a duplicated was created it tries to fix the same error
      twice, which is not possible since it was already fixed. 
    %}
    if(~isempty(SubsystemsBlanks))
       
        %Save Issues List
        
        varNames = {'Diagrams','Subsystem'}; 
        varName = {'Subsystem'};
                  
        cellArray = {}; %we separate each port into its own row
        Diagram = {};
        for i=1:length(SubsystemsBlanks)
        [three,four]=cellfun(@fileparts,SubsystemsBlanks(i),'uni',0);
        cellArray = vertcat(cellArray,four{:});
        Diagram = vertcat(Diagram,three{:});
    end
      
                           
                %Erase Blank spaces in subsystems
                for subsystem = 1:length(SubsystemsBlanks)
                thissubsystem = SubsystemsBlanks{subsystem};
                OldsubsystemName = get_param(thissubsystem,'Name');
                SubsystemNameNoWhiteSpace =  regexprep(OldsubsystemName,'[\n\r\t\s]+','');
               
                    if (~isempty(SubsystemNameNoWhiteSpace))
                        
                        set_param(thissubsystem,'Name',SubsystemNameNoWhiteSpace); %Remove whitespace and any spaces
                        
                    end
                
               thisSystem = strtok(thissubsystem,'/');
                save_system(thisSystem);
                end
    end