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  1. import re
  2. s = "@@0001 words 83 words, 90, words, 8989! @@0002 words, 98 words; words. @@0003 words 30 words ...."
  3. print( re.sub(r'(@@\d+)', r'\n\1 | ', s).lstrip() )
Success #stdin #stdout 0.02s 9580KB
stdin
Standard input is empty
stdout
@@0001 |  words 83 words, 90, words, 8989! 
@@0002 |  words, 98 words; words. 
@@0003 |  words 30 words ....