On 26 May 2005 at 12:00, Marc Sherman wrote about
"Re: [exim] Re: how do i filter agai":
| Fred Viles wrote:
| >
| > None of the characters in this regular expression have special
| > meaning ('-' is special only within []), so they don't need to be
| > escaped. Also, since the string doesn't include '$' or literal '\',
| > it doesn't need to have expansion suppressed with \N. So the match
| > string could simply be written as:
| > {=?utf-8?}
|
| ? is indeed special in a regex -- it makes the preceeding token optional.
Argh, some days it doesn't pay to get out of bed!
| {\N=\?utf-8\?\N} should work, though.
Aw, can't I still have the point about \N...\N being unnecessary?