Issue #1923 Optional Flag values ignored (#1928)

Co-authored-by: Kyle Phillipson <phillik747@gmail.com>
Co-authored-by: Michael Bear <38406045+mjbear@users.noreply.github.com>

Author: 3 people

ntc_templates/templates/cisco_nxos_show_ip_arp_detail.textfsm

@@ -13,5 +13,5 @@ Start
   ^. -> Error
 
 Data
-  ^${IP_ADDRESS}\s+${AGE}\s+${MAC_ADDRESS}\s+${INTERFACE}\s+${PHYSICAL_INTERFACE}\s*$$ -> Record
+  ^${IP_ADDRESS}\s+${AGE}\s+${MAC_ADDRESS}\s+${INTERFACE}\s+${PHYSICAL_INTERFACE}(?:\s+[#*+])?\s*$$ -> Record
   ^. -> Error

tests/cisco_nxos/show_ip_arp_detail/cisco_nxos_show_ip_arp_detail_flags.raw

@@ -0,0 +1,14 @@
+Flags: * - Adjacencies learnt on non-active FHRP router
+       + - Adjacencies synced via CFSoE
+       # - Adjacencies Throttled for Glean
+
+IP ARP Table for context default
+Total number of entries: 1725
+Address         Age       MAC Address     Interface        Physical Interface
+10.10.10.194   00:03:10  aaaa.bbbb.cccc  Ethernet1/9      Ethernet1/9     
+10.10.10.190   00:03:18  aaaa.bbbb.cccc  Ethernet2/9      Ethernet2/9     
+10.10.10.81    00:02:14  aaaa.bbbb.cccc  Ethernet2/12     Ethernet2/12    
+192.168.1.1     00:02:06  aaaa.bbbb.cccc  Ethernet7/47     Ethernet7/47    
+10.10.11.2      00:03:12  aaaa.bbbb.cccc  Vlan11           port-channel1    *
+10.10.11.20     00:00:18  aaaa.bbbb.cccc  Vlan11           port-channel3    +
+10.10.11.21     00:00:06  aaaa.bbbb.cccc  Vlan11           port-channel3    #

tests/cisco_nxos/show_ip_arp_detail/cisco_nxos_show_ip_arp_detail_flags.yml

@@ -0,0 +1,37 @@
+---
+parsed_sample:
+  - age: "00:03:10"
+    interface: "Ethernet1/9"
+    ip_address: "10.10.10.194"
+    mac_address: "aaaa.bbbb.cccc"
+    physical_interface: "Ethernet1/9"
+  - age: "00:03:18"
+    interface: "Ethernet2/9"
+    ip_address: "10.10.10.190"
+    mac_address: "aaaa.bbbb.cccc"
+    physical_interface: "Ethernet2/9"
+  - age: "00:02:14"
+    interface: "Ethernet2/12"
+    ip_address: "10.10.10.81"
+    mac_address: "aaaa.bbbb.cccc"
+    physical_interface: "Ethernet2/12"
+  - age: "00:02:06"
+    interface: "Ethernet7/47"
+    ip_address: "192.168.1.1"
+    mac_address: "aaaa.bbbb.cccc"
+    physical_interface: "Ethernet7/47"
+  - age: "00:03:12"
+    interface: "Vlan11"
+    ip_address: "10.10.11.2"
+    mac_address: "aaaa.bbbb.cccc"
+    physical_interface: "port-channel1"
+  - age: "00:00:18"
+    interface: "Vlan11"
+    ip_address: "10.10.11.20"
+    mac_address: "aaaa.bbbb.cccc"
+    physical_interface: "port-channel3"
+  - age: "00:00:06"
+    interface: "Vlan11"
+    ip_address: "10.10.11.21"
+    mac_address: "aaaa.bbbb.cccc"
+    physical_interface: "port-channel3"