diff --git a/src/Mod/Draft/importAirfoilDAT.py b/src/Mod/Draft/importAirfoilDAT.py
index 4b19e34ab7..e496667a4c 100644
--- a/src/Mod/Draft/importAirfoilDAT.py
+++ b/src/Mod/Draft/importAirfoilDAT.py
@@ -157,9 +157,9 @@ def process(doc, filename):
         with the parsed information.
     """
     # Regex to identify data rows and throw away unused metadata
-    xval = '(?P<xval>(\-|\d*)\.\d+(E\-?\d+)?)'
-    yval = '(?P<yval>\-?\s*\d*\.\d+(E\-?\d+)?)'
-    _regex = '^\s*' + xval + '\,?\s*' + yval + '\s*$'
+    xval = r'(?P<xval>(\-|\d*)\.*\d*([Ee]\-?\d+)?)'
+    yval = r'(?P<yval>\-?\s*\d*\.*\d*([Ee]\-?\d+)?)'
+    _regex = r'^\s*' + xval + r'\,?\s*' + yval + r'\s*$'
 
     regex = re.compile(_regex)
     afile = pythonopen(filename, 'r')