Re: info faces for strings and quotations

[David Kastrup]

Stefan Monnier <address@hidden> writes:

>> 2. The pb of not interpreting " to begin a string if it is escaped (\") is
>> no doubt fixable, at the risk of complicating the regexp. Suggested fixes
>> welcome.
>
> Prefix the regexp with "\\(^\\|[^\\]\\)\\(\\\\\\\\\\)*".  The (match-end) of
> this regexp is guaranteed to not be preceded by an odd number
> of backspashes.
>
> You can find this regexp used by various major modes for comment-start-skip.

If you don't need regexps, it is usually quite faster just to check
with 
(zerop (mod (save-excursion (skip-chars-backward "\\\\")) 2))
whether you have an even number of preceding backslashes.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum