diff --git a/ciscoconfparse/ccp_util.py b/ciscoconfparse/ccp_util.py
index f77e1489..8430f1f0 100644
--- a/ciscoconfparse/ccp_util.py
+++ b/ciscoconfparse/ccp_util.py
@@ -2952,7 +2952,7 @@ def __init__(self, interface_name=None):
         self._subinterface = None
         self._channel = None
 
-        mm = re.search(r"^(?P<prefix>[a-zA-Z]+\s*)(?P<all>\d\S*)$", interface_name.strip())
+        mm = re.search(r"^(?P<prefix>[a-zA-Z]*\s*)(?P<all>\d\S*)$", interface_name.strip())
         if mm is not None:
             groupdict = mm.groupdict()
             self._prefix = groupdict.get("prefix", '').strip()