import re
line = r'#pragma MESSAGE "Hello World" 0000=1 /* Clarification 0001: [[Specific Clarification]] */'
content_new = re.sub(r'/\*[^*]*\*+(?:[^/*][^*]*\*+)*/', lambda x: re.sub(r'.*(\[\[.*?]]).*', r'# \1', x.group()), line)
print(content_new)
aW1wb3J0IHJlCmxpbmUgPSByJyNwcmFnbWEgTUVTU0FHRSAiSGVsbG8gV29ybGQiIDAwMDA9MSAvKiBDbGFyaWZpY2F0aW9uIDAwMDE6IFtbU3BlY2lmaWMgQ2xhcmlmaWNhdGlvbl1dICovJwpjb250ZW50X25ldyA9IHJlLnN1YihyJy9cKlteKl0qXCorKD86W14vKl1bXipdKlwqKykqLycsIGxhbWJkYSB4OiByZS5zdWIocicuKihcW1xbLio/XV0pLionLCByJyMgXDEnLCB4Lmdyb3VwKCkpLCBsaW5lKQpwcmludChjb250ZW50X25ldyk=