Re: [vps-mail] proctut4: Simple Regular Expressions, Part III

[Abigail Marshall <webmaster@xxxxxxxxxxxx>]

SW> This is the fifth in a series of procmail tutorials. An updated
SW> version of this document may be found at:

SW>     <http://www.perlcode.org/tutorials/procmail/proctut/>

SW> Your feedback and comments are welcome!

SW> Scott

Scott, great work, as usual, but your explanation doesn't
seem to match the actual recipes in this segment:

SW>     :0:
SW>     * 1^0 H ?? ^Content-type:[  ]*text/html
SW>     * 1^0 B ?? ^Content-type:[  ]*(text/html|application/ms-word)
SW>     html_email
SW> 
SW> In this recipe we introduce scoring, two new special procmail variables that we will cover more thoroughly later ("H" and "B"), as well as a new comparison operator ("??")[3]. The English translation reads:
SW> 
SW>     The header of the email message ("H ??") has a line that begins
SW>     with (the caret anchor) "Content-type:" followed by zero or more
SW>     spaces or tabs, followed by I<either> "multipart/mixed" or
SW>     "text/html". The body of the email message ("B ??") has a line
SW>     that begins with "Content-type:", followed by zero or more spaces,
SW>     followed by "text/html". Either of these conditions is sufficient
SW>     for the recipe to match.

-Abigail

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