python使用正则表达式识别大写字母并在大写字母前插入空格

Posted 2021-06-29 Data+Science+Insight

python使用正则表达式识别大写字母并在大写字母前插入空格

 

#python使用正则表达式识别大写字母并在大写字母前插入空格

import re
	
def putSpace(input):
	
	# regex [A-Z][a-z]* means any string starting
	# with capital character followed by many
	# lowercase letters
	words = re.findall(\'[A-Z][a-z]*\', input)
	
	# Change first letter of each word into lower
	# case
	result = []
	for word in words:
		word = chr( ord (word[0]) + 32) + word[1:]
		result.append(word)
	print (\'