Re: [PATCH] Cleanup git-send-email.perl:extract_valid_email

Horst von Brand [off-list ref] writes:

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OK, but be careful as this (?:...) is an extended regexp (needs /x on
match).

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Are you sure about /x?

The manual (perlop(1)) says you need /x to match extended regexps, and
(?...) is the marker for such (perlre(1)).

I always had the impression that eXtended in the context to talk
about /x was about ignoring whitespaces and forcing people to
write \s (or perhaps \040) when they mean a whitespace and had
nothing to do with (?...) stuff.  Let me look up the fine
manual.