import re
prohibitedWords = [r'[Tt]o:\s*','\b002;\s*',"\s*<([^<>]*)>"]
mystring = 'To: John Lennon <John.Lennon@gmail.com> \b002; Paul McCartney <Paul.McCartney@yahoo.com> \b002;'
big_regex = re.compile('|'.join(prohibitedWords))
the_message = big_regex.sub("", str(mystring)).strip()
print(the_message)
aW1wb3J0IHJlCgpwcm9oaWJpdGVkV29yZHMgPSBbcidbVHRdbzpccyonLCdcYjAwMjtccyonLCJccyo8KFtePD5dKik+Il0KbXlzdHJpbmcgPSAnVG86IEpvaG4gTGVubm9uIDxKb2huLkxlbm5vbkBnbWFpbC5jb20+IFxiMDAyOyBQYXVsIE1jQ2FydG5leSA8UGF1bC5NY0NhcnRuZXlAeWFob28uY29tPiBcYjAwMjsnCmJpZ19yZWdleCA9IHJlLmNvbXBpbGUoJ3wnLmpvaW4ocHJvaGliaXRlZFdvcmRzKSkKdGhlX21lc3NhZ2UgPSBiaWdfcmVnZXguc3ViKCIiLCBzdHIobXlzdHJpbmcpKS5zdHJpcCgpCnByaW50KHRoZV9tZXNzYWdlKQ==