Exactly. + means "one or more", * means "zero or more". '.' is "any character", ? is "zero or one".
For playing with regexps, you should try RegExplorer, available at http://regexplorer.sourceforge.net (or via "apt-get install regexplorer" on Debian).
Someone announced that he will port fwanalog to Linux 2.2 ipchains; when he did that, I will make a new release.
-- _________________________________________________________________ Balázs Bárány balazs~AT~tud.at http://tud.at ICQ 10747763 Computers. You can't live with them, you can't live without them.
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