压缩空格字符串

Question

可能重复：
Substitute multiple whitespace with single whitespace in Python

我如何压缩多个空格1个空格，在Python？

例如，假设我有一个字符串

"some user entered  text" 

，我想，要成为

"some user entered text" 

Answer 1

' '.join("some user entered  text".split()) 

Answer 2

您可以使用这样的事情：

text = 'sample base  text with multiple  spaces' 

' '.join(x for x in text.split() if x) 

OR：

text = 'sample base  text with multiple  spaces' 
text = text.strip() 
while ' ' in text: 
    text = text.replace(' ', ' ') 

Answer 3

>>> re.sub(r'\s+', ' ', 'ala ma\n\nkota') 
'ala ma kota' 

Answer 4

>>> import re 
>>> re.sub("\s+"," ","some user entered  text") 
'some user entered text' 
>>> 

编辑：

这也将取代换行和标签等

如果你特别想要空格/制表符，你可以使用

>>> import re 
>>> re.sub("[ \t]+"," ","some user entered  text") 
'some user entered text' 
>>>