Backport/2.8/58226 ce_vxlan_gateway: update the regular expression to match the more acc… (#58557)

* ce_vxlan_gateway: update the regular expression to match the more accurate. (#58226)

* Update the regular expression to match the more accurate

* Update the regular expression to match the more accurate

* Update the regular expression to match the more accurate

(cherry picked from commit 2f91266aa9)

* add a changlog fragment to PR 58557.

* Update 58226-update-ce_vxlan_gateway-to-fix-a-bug.yml

changelogs/fragments/58226-update-ce_vxlan_gateway-to-fix-a-bug.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - ce_vxlan_gateway - update the regular expression to match the more.(https://github.com/ansible/ansible/pull/58226)

lib/ansible/modules/network/cloudengine/ce_vxlan_gateway.py

@@ -398,11 +398,11 @@ class VxlanGateway(object):
         """get current configuration"""
 
         flags = list()
-        exp = " | ignore-case section include dfs-group"
+        exp = r" | ignore-case section include ^#\s+dfs-group"
         if self.vpn_instance:
-            exp += "|^ip vpn-instance %s$" % self.vpn_instance
+            exp += r"|^#\s+ip vpn-instance %s" % self.vpn_instance
         if self.vbdif_name:
-            exp += "|^interface %s$" % self.vbdif_name
+            exp += r"|^#\s+interface %s" % self.vbdif_name
         flags.append(exp)
         return self.get_config(flags)