import re
str = "8 times before 11:45 AM"
# 检查字符串是否包含任何 a 到 z 小写字母和 A 到 Z 大写字母:
x = re.findall("[a-zA-Z]", str)
print(x)
if (x):
print("Yes, there is at least one match!")
else:
print("No match")