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  1. import re
  2.  
  3. s = "My substring1. My substring2: My substring3: My substring4"
  4. pattern = r"[^:-][^:.]*\.\s*([^:]+)"
  5. m = re.match(pattern, s)
  6. if m:
  7.     print(m.group(1))
Success #stdin #stdout 0.03s 9428KB
comments (?)
stdin 
Standard input is empty
stdout 
My substring2
https://ideone.com/2Dz5RM
language:
Python 3 (python  3.9.5)
created:
1 year ago
visibility:
secret

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