Date: Fri, 5 Aug 2011 03:41:03 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: ?z character class vs. "valid character" class magnum - On Fri, Aug 05, 2011 at 01:32:41AM +0200, magnum wrote: > What is the ?z (any character) class used for? Is it used anywhere, by > anyone? It's current meaning is indeed *any* character, valid or not. [...] > Maybe it was meant for PP stuff, much like the ':'. Exactly. It's a no-op produced by some preprocessor expressions for some of the expanded rules. I have a to-do item to have JtR optimize out such no-ops just like it does for ':' lately. > Failing to hijack ?z, any other suggestion for a better letter? Sorry, this is not relevant to the contest, so I am not willing to think of it now. ;-) Good idea re: a valid class, and your contributions are very welcome. It's just that we're contest-focused right now. Thanks, Alexander
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