[erlang-questions] Erlang regex

[Matteo]

Hi to all,
i'm a noob of erlang programming. I would like to have some infos about
extracting a substring from a string....
Or better, my situation is this:

i have a string:
str="OK 01 xxxxxxxx\r\n"); // where xxxxxxxx is a string that i dont know
and every time change...

and i need to extract the "xxxxxxx" into another string (str2 for exaple).

Sorry for my english.

Best regards
M.Canato
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