1 import re

     2 import time

     3 

     4 def main():

     5     s = "\13hello\14 \13world\14 " * 1000

     6     p = re.compile(r"([\13\14])")

     7     timefunc(10, p.sub, "", s)

     8     timefunc(10, p.split, s)

     9     timefunc(10, p.findall, s)

    10 

    11 def timefunc(n, func, *args, **kw):

    12     t0 = time.clock()

    13     try:

    14         for i in range(n):

    15             result = func(*args, **kw)

    16         return result

    17     finally:

    18         t1 = time.clock()

    19         if n > 1:

    20             print n, "times",

    21         print func.__name__, "%.3f" % (t1-t0), "CPU seconds"

    22 

    23 main()