sed

sed -i 's/example\.com/ow2.org/g' /etc/lemonldap-ng/* /var/lib/lemonldap-ng/conf/lmConf-1.js /var/lib/lemonldap-ng/test/index.pl

 - replace:
      path: "{{ item }}"
      regexp: 'example.com'
      replace: 'plf-sso.ppol.minint.fr'
      backup: yes
   with_items:
     - /etc/lemonldap-ng/for_etc_hosts
     - /etc/lemonldap-ng/handler-nginx.conf
     - /etc/lemonldap-ng/lemonldap-ng.ini
     - /etc/lemonldap-ng/manager-apache2.4.conf
     - /etc/lemonldap-ng/manager-nginx.conf
     - /etc/lemonldap-ng/nginx-lmlog.conf
     - /etc/lemonldap-ng/nginx-lua-headers.conf
     - /etc/lemonldap-ng/portal-apache2.4.conf
     - /etc/lemonldap-ng/portal-nginx.conf
     - /etc/lemonldap-ng/test-apache2.4.conf
     - /etc/lemonldap-ng/test-nginx.conf
     - /var/lib/lemonldap-ng/conf/lmConf-1.js
     - /var/lib/lemonldap-ng/test/index.pl