function filename_string = getFilenameFromFilepath(filepath)
    % getFilenameFromFilepath: Extracts the filename (including extension) from a given filepath.
    %
    % Input:
    % - filepath: A char or string representing the full path to a file.
    %
    % Output:
    % - filename_string: A string representing the filename extracted from the filepath.
    %
    % Note: The filename is first generated as a char array to allow for easy modifications
    %       in the future if a char type output becomes necessary.

    arguments
        filepath (1, :) {mustBeText} % ensures that filepath is either char or string
    end

    [~, name, ext] = fileparts(filepath);
    filename_char = strcat(name, ext);
    filename_string = string(filename_char);
end