in reply to Re^2: Can't remove directory-Permission denied (knot)
in thread Can't remove directory-Permission denied

To match '.' don't you need to use '\.' or [.] ?

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Re^4: Can't remove directory-Permission denied (knot)
by tye (Sage) on Oct 22, 2012 at 16:23 UTC

    Indeed. I had [.] then changed it to \.. I suspect the \ accidentally got dropped when I further updated the regex. Sorry about that. Fixed now. Thanks.

    - tye