I have one example where each of the files starts with the subject id. In this case I cannot use file_prefix because the beginning of the filename is never the same. Regex would allow to skip the first part of the string until you end up with a unique identifier.
I have one example where each of the files starts with the subject id. In this case I cannot use file_prefix because the beginning of the filename is never the same. Regex would allow to skip the first part of the string until you end up with a unique identifier.