in reply to Re^3: regexp: Mind-boggling negative assertions...
in thread regexp: Mind-boggling negative assertions...

Where is this confusing? The point is that if the REGEXP matches, the SCRIPT is supposed to reject the address.
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Re^5: regexp: Mind-boggling negative assertions...
by Anonymous Monk on Aug 17, 2015 at 00:09 UTC

    Please don't argue. Please give test cases.