diff --git a/CodeElements/Plc_client/plc_client_os.py b/CodeElements/Plc_client/plc_client_os.py
index 665b4b61..773e77ef 100644
--- a/CodeElements/Plc_client/plc_client_os.py
+++ b/CodeElements/Plc_client/plc_client_os.py
@@ -238,7 +238,9 @@ def __read_protobuf(self):
 
                             # advance, expect value item
                             line = fp.readline()
-                            line_item = re.findall(r'\-*\w+\.*\/{0,1}\w*[\w+\/{0,1}\w*]*', line)
+                            # Fixed regex to handle scientific notation (e.g., 1.42109e-16)
+                            # Pattern matches: scientific notation OR identifiers/paths/numbers
+                            line_item = re.findall(r'[-+]?\d+\.?\d*[eE][-+]?\d+|[-]?\w+\.?[\w/]*', line)
 
                             attr_dict[key] = line_item