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Igor Medeiros <> wrote:
> How to represent the pattern ([a-z]|[A-Z]|_)+([a-z]|[A-Z]|[0-9]_)* in Lua's
> format pattern.

You can't put quantifiers *+ after captures () and there is no | operator.
But in this case you can write "[A-Za-z_]+[0-9A-Za-z_]*" or "[%a_]+[%w_]*".

f.anthony.n.finch  <>
Rockall, Malin, Hebrides: South 5 to 7, occasionally gale 8 at first in
Rockall and Malin, veering west or northwest 4 or 5, then backing southwest 5
or 6 later. Rough or very rough. Occasional rain. Moderate or good,
occasionally poor.