Question

How to check if a string contains only English letters in Python

Answer 1

import re

def is_only_english_letters(s):
    pattern = r"^[a-zA-Z]+$"  
    
    return bool(re.fullmatch(pattern, s))


s1 = "Python"
print(is_only_english_letters(s1))

s2 = "Pythonパイソン"
print(is_only_english_letters(s2))


 
'''
run:
 
True
False
 
'''

 

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