--- /dev/null
+# Exim test configuration 0568: ACL regex=
+
+exim_path = EXIM_PATH
+host_lookup_order = bydns
+primary_hostname = myhost.test.ex
+rfc1413_query_timeout = 0s
+spool_directory = DIR/spool
+log_file_path = DIR/spool/log/%slog
+gecos_pattern = ""
+gecos_name = CALLER_NAME
+tls_advertise_hosts =
+
+
+# ----- Main settings -----
+
+acl_smtp_rcpt = check_rcpt
+acl_smtp_data = check_data
+acl_not_smtp = check_data
+
+
+# ----- ACL -----
+
+begin acl
+
+check_rcpt:
+ accept
+
+check_data:
+ warn regex = \N(THIS\s((\w+)\s)?REGEX)\N
+ message = X-Regex: Regex matched <$regex1> <$regex3>
+
+ warn condition = ${if !eq{$h_fakereject:}{}}
+ control = fakereject
+
+ warn condition = ${if !eq{$h_fakedefer:}{}}
+ control = fakedefer
+
+ accept
+
+# ----- Routers -----
+
+begin routers
+
+r1:
+ driver = accept
+ transport = t1
+
+# ----- Transports -----
+
+begin transports
+
+t1:
+ driver = appendfile
+ file = DIR/test-mail/$local_part
+ user = CALLER
+
+
+# End