Regular expressions in python, how to remove none from output?

Question

Python

The program should split the signatures(in brackets) how to fix none or limit the output to 1 correct result

while True:
import re
income = input('Enter a phrase:')
result1 = re.split(r"(Regards...)|( Best regards,)|(Sincerely yours)|(Looking forward to your reply)", income )
print(result1)

Answer 1

Remove the parentheses from the regular expression. What for are they there? And don't forget that the dot in regular expressions means "any character".