diff --git a/iptc/ip4tc.py b/iptc/ip4tc.py
index 90f5ee7..c4ba58c 100644
--- a/iptc/ip4tc.py
+++ b/iptc/ip4tc.py
@@ -262,7 +262,7 @@ class iptc(object):
 class IPTCModule(object):
     """Superclass for Match and Target."""
     pattern = re.compile(
-        '\s*(!)?\s*--([-\w]+)\s+(!)?\s*"?([^"]*?)"?(?=\s*(?:!?\s*--|$))')
+        r'\s*(!)?\s*--([-\w]+)\s+(!)?\s*"?([^"]*?)"?(?=\s*(?:!?\s*--|$))')
 
     def __init__(self):
         self._name = None
diff --git a/iptc/xtables.py b/iptc/xtables.py
index 024779c..1674cc4 100644
--- a/iptc/xtables.py
+++ b/iptc/xtables.py
@@ -805,7 +805,7 @@ class xtables_target(ct.Union):
 _xtables_libdir = os.getenv("XTABLES_LIBDIR")
 if _xtables_libdir is None:
     import re
-    ldconfig_path_regex = re.compile('^(/.*):($| \(.*\)$)')
+    ldconfig_path_regex = re.compile(r'^(/.*):($| \(.*\)$)')
     import subprocess
     ldconfig = subprocess.Popen(
         ('/sbin/ldconfig', '-N', '-v'),