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"And" extended matching operator

From: Nikolai Kondrashov
Subject: "And" extended matching operator
Date: Wed, 28 Nov 2012 16:58:31 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.10) Gecko/20121027 Icedove/10.0.10

Hi everyone,

Would it be possible to add another extended matching operator to already
supported ones? It's just we have "or" in @() and "not (or)" in !(), but no
"and". And combining patterns without it is awkward.

If I want to say "a and not b", I have to write "not (not a or c)", like this:


If we had "and" operator, say written like &(), it would be possible to write
it as is instead:


which would be more readable.

Is there a chance to have such an operator added?

Thank you.


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