Good solution. My only additions would be to use \^\.\ instead of \w to catch \W as well but not ".".

You could also one-line it by catching the matches with alist assignment to avoid reading from $1:

my ($extension) = $filename =~ /\.([^\.]+)$/;

In reply to Re: Re: Extracting just the extension from a filename. by simeon2000
in thread Extracting just the extension from a filename. by brentheigold

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