Date: Sun, 14 Aug 2011 18:50:07 +0200 From: magnum <rawsmooth@...dband.net> To: john-dev@...ts.openwall.com Subject: Re: User-defined character class On 2011-08-12 12:08, Solar Designer wrote: >> Fwiw it won't work as intended with all words anyway. The %N will hit >> even if the hexdigits are spread with other characters inbetween. I >> guess I just picked a bad example. > > You never explained what effect you wanted to achieve with this rule. > Maybe someone else will be able to suggest how to achieve it. The example rule used a user-defined class for hex digits, and was supposed to find a string with at least 4 [consecutive] of them and prepend them with 0x and \x. For some reason I thought %N was "N consecutive instances of" but it's not. Maybe a couple more character class commands could be useful, that does what I thought %N did: "reject the word unless it contains at least N consecutive instances of X" (or "...of class C"). I think that would be useful even though that example rule was not very exciting. magnum
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