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

Junio C Hamano [off-list ref] wrote:

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.

You might be right... and it even sounds sensible; but both (?...) stuff
and the ignoring of space is described as extended here.

Note that \s is a space character (' ', '\t', ...), which is not the same
as \040 (and that one assumes ASCII...).
-- 
Dr. Horst H. von Brand                   User #22616 counter.li.org
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