Differences between current version and previous revision of EximFilter.
Other diffs: Previous Major Revision, Previous Author, or view the Annotated Edit History
| Newer page: | version 14 | Last edited on Tuesday, February 3, 2009 4:46:26 pm | by MikeBordignon | |
| Older page: | version 13 | Last edited on Thursday, November 6, 2008 9:44:53 pm | by JohnMcPherson | Revert |
@@ -137,5 +137,13 @@
else
# Remove the first '-', and any periods in the suffix.
save $home/Maildir/.${sg{${sg{$local_part_suffix}{[\.]}{}}}{^-}{}}/
endif
+</verbatim>
+
+!! Escaping reserved characters in filters and system_filter
+
+The manual writes something along the lines of that you need to double-escape certain characters for regular expressions since they get un-escaped once by Exim, and then once again by the regex. So for strings inside quotes, you need to escape 4 times, ie escaping "~[" and "~]":
+
+<verbatim>
+headers add "New-Subject1: ${sg{$h_old-subject:}{\\\\[StringToRemove\\\\]}{}}"
</verbatim>
