The documentation does not specify if you can use wildcards in defining exclusions during indexing. I assumed it would be similar to backing up data definition, that does not seem to work. In our case, we want indexing to ignore DFSR symlinks, for example:
There is no built-in way to exclude these symlinks, but I've found a similar case where our engineer was able to resolve this. Please contact our support team and refer to this case 02523986 for the possible solution.