Improved alphanumeric_symbols regex to cover certain SCA remediation fields

[EduLeon12]

Related issue
Closes #15465

Description

As described in #15465 , A new regex was implemented to cover certain SCA remediation fields that were previously not being matched by current regex.

The solution has been tested and results are provided in the issue.

Tests

Remediation field:

"If cron will be used to schedule and run aide check: Run the following command: # crontab -u root -e Add the following line to the crontab: 0 5 * * * /usr/bin/aide.wrapper --config /etc/aide/aide.conf --check OR If aidecheck.service and aidecheck.timer will be used to schedule and run aide check: Create or edit the file /etc/systemd/system/aidecheck.service and add the following lines: [Unit] Description=Aide Check [Service] Type=simple ExecStart=/usr/bin/aide.wrapper --config /etc/aide/aide.conf --check [Install] WantedBy=multi-user.target Create or edit the file /etc/systemd/system/aidecheck.timer and add the following lines: [Unit] Description=Aide check every day at 5AM [Timer] OnCalendar=*-*-* 05:00:00 Unit=aidecheck.service [Install] WantedBy=multi-user.target Run the following commands: # chown root:root /etc/systemd/system/aidecheck.* # chmod 0644 /etc/systemd/system/aidecheck.* # systemctl daemon-reload # systemctl enable aidecheck.service # systemctl --now enable aidecheck.timer"

Current Regex

After regex changes.

[nico-stefani]

LGTM!