Make transport pattern accept regexp

files/lenses/postfix_transport.aug

@@ -37,7 +37,7 @@ let transport = [ label "transport" . (store Rx.word)? ]
 let nexthop = [ label "nexthop" . (store Rx.space_in)? ]
 
 (* View: record *)
-let record = [ label "pattern" . store /[A-Za-z0-9@\*.-]+/
+let record = [ label "pattern" . store /[^# \t\r\n]+/
              . space_or_eol . transport
              . colon . nexthop
              . Util.eol ]

files/lenses/test_postfix_transport.aug

@@ -16,6 +16,7 @@ example.com      :[gateway.example.com]
 user.foo@example.com  
     smtp:bar.example:2025
 .example.com     error:mail for *.example.com is not deliverable
+/^bounce\+.*/ sympabounce:
 "
 
 (* Test: Postfix_Transport.lns *)
@@ -45,4 +46,8 @@ test Postfix_Transport.lns get conf =
   { "pattern" = ".example.com"
     { "transport" = "error" }
     { "nexthop" = "mail for *.example.com is not deliverable" } }
+  { "pattern" = "/^bounce\+.*/"
+    { "transport" = "sympabounce" }
+    { "nexthop" } }
+