inp = "This, is. a test: string."
t = timeit.Timer("has_repeated_words(inp)", "from findspam import has_repeated_words; from __main__ import inp")
print "timeit: non-regex"
print t.timeit(1000)
t2 = timeit.Timer("repeated_words_regex(inp)", "from __main__ import repeated_words_regex, inp")
print "timeit: regex"
print t2.timeit(1000)