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Message-ID: <20101008202454.GA18153@openwall.com> Date: Sat, 9 Oct 2010 00:24:54 +0400 From: Solar Designer <solar@...nwall.com> To: john-users@...ts.openwall.com Subject: Re: Rule to replace strings Rich, On Fri, Oct 08, 2010 at 01:40:19PM -0400, Rich Rumble wrote: > /X reject the word unless it contains character X Right. In the absence of a string match command, we have to use one of the character match commands. > /[2009] s[2009][2010] > something like that isn't it? Although the above was very wrong (which I've commented on in other postings), I am actually grateful to you for posting it. This gives me an opportunity to point out just what you're missing - namely, the distinction between preprocessor constructs (the square brackets) and rule commands. What you really wanted were string match and string replace commands, but they don't exist, and the above syntax corresponds to something that does exist but is entirely different. You're having the preprocessor produce lots of individual rules that operate on individual characters, whereas the strings 2009 and 2010 do not make it into the rules (only the individual characters do). Clearly, a lot of others are missing this distinction too (preprocessor constructs vs. rule commands). I'd appreciate any specific suggestions on improving the documentation in this respect. Maybe someone who ran into this problem at first but then figured things out could even write a piece of documentation that would have made things clear to them right away? Thanks, Alexander
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