Update regex that validates interface names

gso/utils/helpers.py

@@ -252,8 +252,8 @@ def validate_interface_name_list(interface_name_list: list, vendor: str) -> list
     """Validate that the provided interface name matches the expected pattern.
 
     The expected pattern for the interface name is one of 'ge', 'et', 'xe' followed by a dash '-',
-    then a digit between 0 and 9, a forward slash '/', another digit between 0 and 9,
-    another forward slash '/', and ends with a digit between 0 and 9.
+    then a number between 0 and 19, a forward slash '/', another number between 0 and 99,
+    another forward slash '/', and ends with a number between 0 and 99.
     For example: 'xe-1/0/0'.
 
     :param list interface_name_list: List of interface names to validate.
@@ -265,7 +265,7 @@ def validate_interface_name_list(interface_name_list: list, vendor: str) -> list
     # For Nokia nothing to do
     if vendor == Vendor.NOKIA:
         return interface_name_list
-    pattern = re.compile(r"^(ge|et|xe)-[0-9]/[0-9]/[0-9]$")
+    pattern = re.compile(r"^(ge|et|xe)-1?[0-9]/[0-9]{1,2}/[0-9]{1,2}$")
     for interface in interface_name_list:
         if not bool(pattern.match(interface.interface_name)):
             error_msg = (