[pcre-dev] [Bug 1372] We have OR (alternates). How about AND…

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Author: Sorin
Date:  
To: pcre-dev
Subject: [pcre-dev] [Bug 1372] We have OR (alternates). How about AND and NOT?
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http://bugs.exim.org/show_bug.cgi?id=1372




--- Comment #5 from Sorin <sxn02@???> 2013-07-26 14:44:22 ---
Hello again,

Thanks for the prompt response.

My thinking was that implementing such additions won't be that onerous, the
reason being that there is already an implementation for alternation. The
difference is that, in alternation, subexpressions (alternates) are executed
left to right against the subject text until one succeeds, or all fail
(implementing a boolean OR), while a boolean AND involves executing alternates
left to right against the subject text until one fails, or all succeed. So it's
rather the way to compound the partial results that differs, than the way to
compute them.

I am sure that you know better what are the priorities, and just want to take
the opportunity to say a big THANK YOU for the wonderful tool you are offering
to so many to help us accomplish what we need to accomplish.

Regards,
Sorin Schwimmer


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