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  1. import re
  2.  
  3. argStr = '123aBcde'
  4.  
  5. print('＊１＊')
  6. print(re.compile(r'.*(?=.*?[a-z])').search(argStr).group())
  7. print(re.compile(r'.*(?=.*[a-z])').search(argStr).group())
  8. #文字列を切り出すため、肯定先読みの表現の前に「.*」を入れています
  9.  
  10. print('＊２＊')
  11. print(re.compile(r'(.*?[a-z])').search(argStr).group())
  12. print(re.compile(r'(.*[a-z])').search(argStr).group())
  13.  
Success #stdin #stdout 0.02s 9532KB
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Standard input is empty
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＊１＊
123aBcd
123aBcd
＊２＊
123a
123aBcde
https://ideone.com/D4k4EV
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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