python正则表达式匹配多行预处理器宏

import re

text = '''
This is line 1.
This is line 2.
This is line 3.
'''

pattern = r'This.*line.*\n.*line.*\n.*line.*'

match = re.match(pattern, text, re.DOTALL)

if match:
    print('Match found!')
else:
    print('No match found.')

import re

text = '''
This is line 1.
This is line 2.
This is line 3.
'''

pattern = r'This.*line.*\n.*line.*\n.*line.*'

replacement = '''
/*
This is line 1.
This is line 2.
This is line 3.
*/
'''

new_text = re.sub(pattern, replacement, text, flags=re.DOTALL)

print(new_text)