You can combine several exceptions in one regex pattern with the | . For instance:
fileExclusionRegExp: /.psd$|sound/
This excludes all .psd files and the sound directory.
But keep in mind that it will delete any file containing sound in the absolute file name, not only .../sound/... , but .../sound.js . I could not figure out how to include slashes in the template. Normal shielding does not work here. Therefore, make sure that you do not have such name conflicts.
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