python使用正则表达式判别字符串是否以一个大写字符起始而跟随了一些小写字符

Posted 2021-08-28 Data+Science+Insight

python使用正则表达式判别字符串是否以一个大写字符起始而跟随了一些小写字符
 

#

# Python3 code to find sequences of one upper
# case letter followed by lower case letters
import re

# Function to match the string
def match(text):
		
		# regex
		pattern = '[A-Z]+[a-z]+$'
		
		# searching pattern
		if re.search(pattern, text):
				return('Yes')
		else:
				return('No')

# Driver Function
print(match("Darling"))
print(match("okseseesee"))
print(match("Bravo"))
print(match("B"))

Yes
No
Yes
No

参考：Python regex to find sequences of one upper case letter followed by lower case letters

参考： Python find sequences of one upper case letter followed by lower case letters

参考：python re