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  1. import re
  2.  
  3. a= ['''alkalaklaklakalkaalaklakalkalaklaalkal,alkkllaklllaklllka,
  4. akalakalkalakhgalgh, ghoahlhoonlaholh,
  5. khlalkhalkhlahlakhlhlakhlahkahlhakhalh''']
  6. for s in a:
  7. print(re.findall(r"^[^\S\r\n]*(\S{6})", s, re.MULTILINE))
Success #stdin #stdout 0.03s 9616KB
stdin
Standard input is empty
stdout
['alkala', 'akalak', 'khlalk']