$string =~ s/.*\.(.*)$/$1/;

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I'm certainly not a regex whiz, but this seems to do what you want. It will handles "."'s within the filename, and gives you the string after the last dot.

HTH,
dug

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

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