[英]Python: How to remove empty quotes and a new line from the beginning of the string?
[英]remove empty quotes from string using regex
我想删除标点符号,例如“”,“”, 、、
, "", '' from my string using regex. The code so far I've written only removes the ones which space between them. How do I remove the empty ones such as '',
, "", '' from my string using regex. The code so far I've written only removes the ones which space between them. How do I remove the empty ones such as '',
#Code
s = "hey how ' ' is the ` ` what are '' you doing `` how is everything"
s = re.sub("' '|` `|" "|""|''|``","",s)
print(s)
我的预期结果:
hey how is the what are you doing how is everything
您可以使用此正则表达式来匹配所有此类引号:
r'([\'"`])\s*\1\s*'
码:
>>> s = "hey how ' ' is the ` ` what are '' you doing `` how is everything"
>>> print (re.sub(r'([\'"`])\s*\1\s*', '', s))
hey how is the what are you doing how is everything
正则表达式详细信息:
([\\'"`])
:匹配给定的引号之一并将其捕获在组#1中 \\s*
:匹配0个或多个空格 \\1
:使用第1组的反向引用确保我们匹配相同的结束语 \\s*
:匹配0个或多个空格 在这种情况下,为什么不匹配所有单词字符,然后再将它们组合起来?
' '.join(re.findall('\w+',s))
# 'hey how is the what are you doing how is everything'
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