-# OR
-# PCRE filter module: Filters messages using regular expressions
-#<module name="m_filter_pcre.so">
-#
-# You may only use one or the other with these modules, network-wide.
+# #
+# This module depends upon a regex provider such as m_regex_pcre or #
+# m_regex_glob to function. You must specify which of these you want #
+# m_filter to use via the tag below. #
+# #
+# Valid engines are: #
+# #
+# glob - Glob patterns, provided via m_regex_glob.so #
+# pcre - PCRE regexps, provided via m_regex_pcre.so, needs libpcre #
+# tre - TRE regexps, provided via m_regex_tre.so, requires libtre #
+# posix - POSIX regexps, provided via m_regex_posix.so, not availale #
+# on windows, no dependencies on other operating systems. #
+# #
+#<filteropts engine="glob"> #
+# #
+# Your choice of regex engine must match on all servers network-wide.