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  1. import re
  2. text = "今天特别 热，但是我买了 3 个西瓜。"
  3. print(re.sub(r'(?<=[^\W\d_])\s+(?=[^\W\d_])', '', text))
Success #stdin #stdout 0.02s 28384KB
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Standard input is empty
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今天特别热，但是我买了 3 个西瓜。
https://ideone.com/bhPjR1
language:
Python 3 (python  3.9.5)
created:
6 years ago
visibility:
secret

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