Help with attr_rewrite/regexp

Hello,

I'm trying to rewrite User-Name attribute with attr_rewrite with no success.

What I want to do is to rewrite the username in the form
service-access-username@realm into username@service.access.realm due to
limitations on the provider (let's say each realm has a charge ;D)

If the problem is the delimitator character "-" there is no problem in using
another or also to use one for separate service from access and access from
username.

The main attr_rewrite config is:

attr_rewrite rw-rlm_services {
attribute = User-Name
# may be "packet", "reply", "proxy", "proxy_reply" or "config"
searchin = packet
searchfor = see below
replacewith = "service %{1} - access %{2} - username %{3} - realm
%{4}"
ignore_case = yes
new_attribute = no
max_matches = 10
## If set to yes then the replace string will be appended to the
original string
append = no
}


I've been trying the following regexp for searchfor parameter and the result
for replacewith (always "service %{1} - access %{2} - username %{3} - realm
%{4}" for debugging) is also attached:

* "^(\\w*)\\-(\\w*)\\-((\\w*)[(\\.\\w*)?]*)@(\\w*)$"
service-access-username@realm' to 'service service - access access-usernam -
username username@realm - realm '

* "^(\\w*)\\-(\\w*)\\-(\\w*)@(\\w*)$"
'service-access-username@realm' to 'service service - access access-usernam -
username username@realm - realm '

* "^(\\w*)\\-(\\w*)\\-(\\w*)\\@(\\w*)$"
'service-access-username@realm' to 'service service - access access-usernam -
username username@realm - realm '

* "^(\\w*)-(\\w*)-(\\w*)@(\\w*)$"
'service-access-username@realm' to 'service service - access access-usernam -
username username@realm - realm '

* "^(.*)-(.*)-(.*)@(.*)$"
'service-access-username@realm' to 'service service - access access-usernam -
username username@realm - realm '

I'm always getting the same result, I've checked the regexp in regexp editor
and it seems to be ok but it does not work.

Here you are other tests in order to try to understand the behaviour
* "^(.*)-(.*)$"
'service-access-username@realm' to 'service service-access - access
username@realm - username - realm '

* "^(.*)@(.*)$"
'service-access_username@realm' to 'service service-access_username - access
realm - username - realm '

Any help would be appreciated.

Thanks!
--
David Manchado

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