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On Jan 25, 2006, at 20:38, Torsten Karwoth wrote:

=string.match("","^.*(%..*) $")

What about file names which start with ".", but don't have an extension (e.g. ".svn", ".DS_Store", etc )?

What would be a good pattern to avoid those?

Right now, I break the file path into its components and check the last one with something like this:

print( ( ".csv" ):match( "^.+%.(%w+)$" ) )
> nil

print( ( ".csv.txt" ):match( "^.+%.(%w+)$" ) )
> txt

Better alternatives?


PA, Onnay Equitursay