How can I check if a string contains ANY letters from the alphabet?

Question

What is best pure Python implementation to check if a string contains ANY letters from the alphabet?

string_1 = \"(555).555-5555\"
string_2 = \"(555) 555 - 5         


        

Answer 1

How about:

>>> string_1 = "(555).555-5555"
>>> string_2 = "(555) 555 - 5555 ext. 5555"
>>> any(c.isalpha() for c in string_1)
False
>>> any(c.isalpha() for c in string_2)
True