Regular expression to match only the first file in a RAR file set

Question

To see what file to invoke the unrar command on, one needs to determine which file is the first in the file set.

Here are some sample file names, of which - naturall

Answer 1

I am no regex expert but here is my attempt

^(yes|no)\.(rar|part0*1\.rar)$

Replace "yes|no" with the actual file name. I matched it against your examples to see if it would only match the first set hence the "yes|no" in the regex.

UPDATE: fixed as per the comment. Not sure why the user would not know the filename so i did not fix that part...