[syslog-ng] How to use @EMAIL@ parser in patterndb

Hi all, I have a situation like described in syslog-ng's docs (http://www.balabit.com/sites/default/files/documents/syslog-ng-ose-3.7-guide...) about email addresses. I have tried to use "@EMAIL:email:"[<]>@ " in my patterndb to catch all possible email address combinations like <user@example.com>, [user@example.com], "user@example.com", as described in docs, but without luck. Every time that I check some log with pdbtool returns me errors about " [<]>" characters. I have tried to subsitute <> with < and >, for example, but nothing .... Any sample about how to use @EMAIL@ parser inside patterndb? I am using syslog-ng 3.5.x. Thanks.