cutting a string

Hello,
I was just wondering if there is a way in NCL to cut a string. I have a
string which is something like
"/Volumes/HD2/CMIP5/Ext/combined_files/ts/ts_Amon_ACCESS1-0_historical-rcp45_r1i1p1_185001-210012.nc".
I would like to extract the model name (in this case it is "ACCESS1-0") and
the starting and ending date ( in this case starting date is 185001 and
ending date is 210012) from this string. I tried using the cut command with
systemfunc but was not successful. Any help will be appreciated.
Thanks,
Mahesh

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Received on Mon Oct 14 12:16:10 2013