Question

How to convert lines in a multiline string starting with some "#" to start and end with "_" in Python

Answer 1

import re

# Define the input string
str = "###Word1 Word2\nWord3\nWord4 Word5 Word6\n##Word7\n#Word8 Word9\n"

# Use re.sub to replace the pattern with the desired format
str = re.sub(r'#+(.*)\n', r'_\1_\n', str)

print(str)



'''
run:

_Word1 Word2_
Word3
Word4 Word5 Word6
_Word7_
_Word8 Word9_

'''

 

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