1 files changed, 9 insertions, 0 deletions
diff --git a/cli/utils.py b/cli/utils.py
index 88c15a4..185e7ee 100644
--- a/cli/utils.py
+++ b/cli/utils.py
@@ -7,6 +7,7 @@
 
 import json
 import ipaddress
+import re
 
 def scope_lookup(scope_id, scope_type, d):
     if scope_id == d.get('id') and scope_type == d.get('type'):
@@ -39,3 +40,11 @@ def check_address(addr):
         return True
     except:
         return False
+
+def check_mac_address(addr):
+    if re.match("[a-f0-9]{2}(:[a-f0-9]{2}){5}$", addr.lower()):
+        return True
+    else:
+        print(addr.lower())
+        return False
+