[MlMt] Regular expressions in rules?

[Benny Kjær Nielsen]

On 26 Apr 2015, at 16:23, Christian Hopps wrote:

> I’m trying to use the “.” regular expression in my mailbox rules 
> to filter spam that uses a symbol rather than the true spelling to 
> sneak by normal spam filtering, but I don’t think this is supported 
> by default. Is there a way to enable something like this?

No, there is no regexp-comparison method. The only workaround is to, low 
level, introduce a new specifier using the regular expression. For 
example, such that you could make a condition like “From ▸ Junk 
exists”.

For example, save this as `~/Library/Application 
Support/MailMate/Resources/specifiers.plist`:

~~~
{
	parsers = {
		junk = {
			headers = ( "from" );
			specifierRegex = '(mm-.*@freron\.com)';
			specifierCaptures = {
				1 = { specifier = "junk"; };
			};
		};
	};
}
~~~

It's cumbersome and not very flexible, but an advantage is that it can 
be used everywhere (searches, rules, submailboxes, ...).

-- 
Benny
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