删除字符串中的所有空格 [英] Remove all whitespace in a string

问题描述

我想消除字符串两端和单词之间的所有空格.

I want to eliminate all the whitespace from a string, on both ends, and in between words.

我有这个 Python 代码:

I have this Python code:

def my_handle(self):
    sentence = ' hello  apple  '
    sentence.strip()

但这只会消除字符串两侧的空格.如何删除所有空格?

But that only eliminates the whitespace on both sides of the string. How do I remove all whitespace?

推荐答案

如果要删除前导和结尾空格，请使用 str.strip():

If you want to remove leading and ending spaces, use str.strip():

sentence = ' hello  apple'
sentence.strip()
>>> 'hello  apple'

如果要删除所有空格字符，请使用 str.replace():

If you want to remove all space characters, use str.replace():

(注意这只会删除正常"的 ASCII 空格字符 ' ' U+0020 而不是 任何其他空格)

(NB this only removes the "normal" ASCII space character ' ' U+0020 but not any other whitespace)

sentence = ' hello  apple'
sentence.replace(" ", "")
>>> 'helloapple'

如果要删除重复的空格，请使用 str.split():

If you want to remove duplicated spaces, use str.split():

sentence = ' hello  apple'
" ".join(sentence.split())
>>> 'hello apple'

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