diff -r c3e6df110737 Lib/doctest.py
--- a/Lib/doctest.py	Sun Aug 04 10:32:26 2013 +0200
+++ b/Lib/doctest.py	Sun Aug 04 23:25:10 2013 +0300
@@ -557,7 +557,7 @@
         # Want consists of any non-blank lines that do not start with PS1.
         (?P<want> (?:(?![ ]*$)    # Not a blank line
                      (?![ ]*>>>)  # Not a line starting with PS1
-                     .*$\n?       # But any other line
+                     .+$\n?       # But any other line
                   )*)
         ''', re.MULTILINE | re.VERBOSE)
 
diff -r c3e6df110737 Lib/sre_parse.py
--- a/Lib/sre_parse.py	Sun Aug 04 10:32:26 2013 +0200
+++ b/Lib/sre_parse.py	Sun Aug 04 23:25:10 2013 +0300
@@ -166,14 +166,14 @@
                 hi = hi + j
             elif op in REPEATCODES:
                 i, j = av[2].getwidth()
-                lo = lo + int(i) * av[0]
-                hi = hi + int(j) * av[1]
+                lo = lo + i * av[0]
+                hi = hi + j * av[1]
             elif op in UNITCODES:
                 lo = lo + 1
                 hi = hi + 1
             elif op == SUCCESS:
                 break
-        self.width = int(min(lo, sys.maxsize)), int(min(hi, sys.maxsize))
+        self.width = min(lo, MAXREPEAT), min(hi, MAXREPEAT)
         return self.width
 
 class Tokenizer: