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  1. import re
  2.  
  3. s = '''M1  hello world 1234_5678  ip som lorem  9321_1231  iste natus error sit voluptatem   4313_4351  ratione voluptatem sequi nesciunt   4312_1234
  4. M2 magnam aliquam 4351_3143  sed quia non numquam  3123_1432'''
  5.  
  6. def repl(m):
  7. 	return re.sub(r'\s+(\D+)(\d{4})_(\d{4})', '{}\t\\1\t\\2\t\\3\n'.format(m.group(1)), m.group(2))
  8.  
  9. whole_line_pattern = r'(?m)^(M[12])((?:\s+\D+\d{4}_\d{4})+)$[\n\r]*'
  10. res = re.sub(whole_line_pattern, repl, s)
  11. print(res)
Success #stdin #stdout 0s 23288KB
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stdin
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Standard input is empty
stdout
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M1	hello world 	1234	5678
M1	ip som lorem  	9321	1231
M1	iste natus error sit voluptatem   	4313	4351
M1	ratione voluptatem sequi nesciunt   	4312	1234
M2	magnam aliquam 	4351	3143
M2	sed quia non numquam  	3123	1432
https://ideone.com/A2fGc2
language:
Python (cpython 2.7.16)
created:
8 years ago
visibility:
secret

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