Fixes noted by pylint, mostly.

1 files changed, 2 insertions, 2 deletions

diff --git a/pygments/util.py b/pygments/util.py
index c464e17c..0859c05d 100644
--- a/pygments/util.py
+++ b/pygments/util.py
@@ -122,7 +122,7 @@ def make_analysator(f):
 
 
 def shebang_matches(text, regex):
-    """Check if the given regular expression matches the last part of the
+    r"""Check if the given regular expression matches the last part of the
     shebang if one exists.
 
         >>> from pygments.util import shebang_matches
@@ -160,7 +160,7 @@ def shebang_matches(text, regex):
                      if x and not x.startswith('-')][-1]
         except IndexError:
             return False
-        regex = re.compile('^%s(\.(exe|cmd|bat|bin))?$' % regex, re.IGNORECASE)
+        regex = re.compile(r'^%s(\.(exe|cmd|bat|bin))?$' % regex, re.IGNORECASE)
         if regex.search(found) is not None:
             return True
     return False