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  1. import re
  2. rx = r"\S+(?:[^\S\r\n]+\S+){0,3}(?=[^\S\r\n]+color\b)"
  3. s = "it is amamzing to look at the evening sky and the color\ncolor of the sky is blue\ncolor\nsky color is blue"
  4. print(re.findall(rx, s))
Success #stdin #stdout 0.01s 7108KB
comments (?)
stdin 
Standard input is empty
stdout 
['evening sky and the', 'sky']
https://ideone.com/D3ZZkU
language:
Python (cpython 2.7.16)
created:
5 years ago
visibility:
public

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