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  1. #!/usr/bin/python
  2.  
  3. import sys
  4. import re
  5.  
  6. for line in sys.stdin:
  7.     m = re.match(r'^((?:[^,]+,){3})(.*[^,])((?:,[^,\n]+){1})$', line)
  8.     if m:
  9.         (a, b, c) = m.groups()
  10.         print(a, re.sub(',', '、', b), c, sep='')
  11.     else:
  12.         print(line, end='')
  13.  
Success #stdin #stdout 0.02s 9640KB
comments (?)
stdin 
Field1,Field2,Field3,ここは説明文,Field5
Field1,Field2,Field3,説明文です,Field5
Field1,Field2,Field3,ここは説明文,ですよ,Field5
Field1,Field2,Field3,説明してる,フィールドですよ,Field5
stdout 
Field1,Field2,Field3,ここは説明文,Field5
Field1,Field2,Field3,説明文です,Field5
Field1,Field2,Field3,ここは説明文、ですよ,Field5
Field1,Field2,Field3,説明してる、フィールドですよ,Field5
https://ideone.com/ApnsLv
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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