From: "Mark J. Reed" <markjreed@...>
Date: 2004-01-11T10:16:40+09:00
Subject: Re: regex to NOT match?

On Sun, Jan 11, 2004 at 08:23:11AM +0900, Alexander Kellett wrote:
> \ is unneeded in char class afaik

Not before '.', but it is harmless and clarifies what's going on.  The
backslash is encouraged before other symbols in a character class even
though not strictly necessary, such as '['; '[[]' is deprecated in 1.8.

-Mark