On 05/05/2018 12:44 PM, Kenneth G. Gordon wrote: > In my mailman Privacy options/Spam filters/Regexps my expression: > > ^Subject: =\?utf-8\?B\? > > does NOT appear to work to discard all posts with that expression in the > subject line. > > That traffic always contains this: > > Subject =?utf-8?B?
Do you really mean it doesn't contain the ':'? You could try ^Subject:?\s*=\?utf-8\?B\? which would match Subject followed by a colon or not and any amount of white space. > before all the following garbage. > > Sometimes that expression beginning with = is contained multiple times in the > traffic I want > to discard. That's because each '=?utf-8?B?...?=' is and RFC 2047 encoded 'word' and there can be any number of them in the Subject: header. > As you can see above, I have escaped all the ? characters. > > Is there something further I need to do to make this work as it should? What you have will match a line beginning with 'Subject: =?utf-b?B?' case insensitively, but only if there is a colon followed by exactly one space. > Obviously, I am still doing something wrong, but I can't see it. > > I thought the escape character was the \, but maybe it is a / . ? It is '\'. > I am, presently, not all that happy, although I have cut down the Chinese > garbage by about > 90% since I implemented other filters. There remains the 10% which is still > very annoying. As has been mentioned before the above pattern will match any Subject: header which begins with a base-64 RFC 2047 encoded word with a utf-8 encoding. This includes some non-english language subjects (more than just Chinese) and also some English language subjects that might begin with an emoji or other non-ascii symbol and doesn't include Chinese language subjects that might be encoded in gb-2312 or some other non-utf-8 encoding. This may work for you, but in general might discard a wanted post. -- Mark Sapiro <m...@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan ------------------------------------------------------ Mailman-Users mailing list Mailman-Users@python.org https://mail.python.org/mailman/listinfo/mailman-users Mailman FAQ: http://wiki.list.org/x/AgA3 Security Policy: http://wiki.list.org/x/QIA9 Searchable Archives: http://www.mail-archive.com/mailman-users%40python.org/ Unsubscribe: https://mail.python.org/mailman/options/mailman-users/archive%40jab.org
