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于 2013-05-15T00:19:09.503 回答
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Well, a dot is a special character in a regex pattern. So if you want to sepcify a dot you need to escape the special charactr dot like that:

import re

regx = re.compile('\.ab..')

ss = ',ab123  .ab4578  !ab1298   .abUVMO'

print regx.findall(ss)

# result:  ['.ab45', '.abUV']
于 2013-05-15T00:23:37.867 回答