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  1. import re
  2. filenames = ['in.txt','abcdEFGHI.htm']
  3. for filename in filenames:
  4. print(filename, bool(re.search(r'^[A-Za-z]{1,8}\.[A-Za-z]{1,3}$', filename)), sep = ' => ')
Success #stdin #stdout 0.02s 9648KB
stdin
Standard input is empty
stdout
in.txt => True
abcdEFGHI.htm => False