Add underscore and period to regex for hostname prompt (#30612)

* Add _ and . to regex (#30396)

Adding underscore and period to the nxos regex for determining the prompt for hostnames with underscores and periods in the hostname.
(cherry picked from commit 33b8d7069f)

* Add change log

CHANGELOG.md

@@ -17,6 +17,7 @@ Ansible Changes By Release
 * Fixed docs for 'password' lookup
 * Corrected and added missing feature and porting docs for 2.4
 * Fix for Ansible.ModuleUtils.CamelConversion to handle empty lists and lists with one entry
+* Fix nxos terminal regex to parse username correctly.
 
 <a id="2.4"></a>
 

lib/ansible/plugins/terminal/nxos.py

@@ -28,8 +28,8 @@ from ansible.errors import AnsibleConnectionFailure
 class TerminalModule(TerminalBase):
 
     terminal_stdout_re = [
-        re.compile(br'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*[>|#|%](?:\s*)$'),
-        re.compile(br'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-]*\(.+\)#(?:\s*)$')
+        re.compile(br'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-_.]*[>|#|%](?:\s*)$'),
+        re.compile(br'[\r\n]?[a-zA-Z]{1}[a-zA-Z0-9-_.]*\(.+\)#(?:\s*)$')
     ]
 
     terminal_stderr_re = [