toolbox/misc/str_remove_spec_chars.m
function str = str_remove_spec_chars( str )
% STR_REMOVE_SPEC_CHARS: Remove special characters from string or array of strings.

% @=============================================================================
% This function is part of the Brainstorm software:
% https://neuroimage.usc.edu/brainstorm
% 
% Copyright (c) University of Southern California & McGill University
% This software is distributed under the terms of the GNU General Public License
% as published by the Free Software Foundation. Further details on the GPLv3
% license can be found at http://www.gnu.org/copyleft/gpl.html.
% 
% FOR RESEARCH PURPOSES ONLY. THE SOFTWARE IS PROVIDED "AS IS," AND THE
% UNIVERSITY OF SOUTHERN CALIFORNIA AND ITS COLLABORATORS DO NOT MAKE ANY
% WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO WARRANTIES OF
% MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, NOR DO THEY ASSUME ANY
% LIABILITY OR RESPONSIBILITY FOR THE USE OF THIS SOFTWARE.
%
% For more information type "brainstorm license" at command prompt.
% =============================================================================@
%
% Authors: Francois Tadel, 2018; Martin Cousineau, 2018

notCell = ~iscell(str);
if notCell
    str = {str};
end

str = cellfun(@(c)c(~ismember(c, [' .,?!-_@#$%^&*+*=()[]{}|/' char(0)])), str, 'UniformOutput', 0);

if notCell
    str = str{1};
end
