adding user@hostname in sshd config

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Hi Team,

I am trying to create a playbook to add the allow users and hostname dynamically in SSHD config. Ansible playbook should check the entry and add it if its not exist.

I have written the below code and it is duplicating the same content and its not checking idempotent. The below code is not adding @ *@dcecpn0.spt.com. Can you please check and provide your suggestions.

lineinfile:
path: “{{ security_ssh_config_path }}”
backrefs: yes
regexp: ‘(^AllowUsers(?!.b{{ security_ssh_allowed_users }}@{{ security_ssh_allowed_hosts }}\b).)$’
line: ‘\1 {{ security_ssh_allowed_users }}@{{ security_ssh_allowed_hosts }}’
state: present

Thanks
Amit.