如何在python中删除字符串中的某些空格?[副本]

不使用RE:

删除无用空间:

' '.join(text.split())

正在删除无用的\n:

'\n'.join(filter(None, text.split('\n')))

你可以用 re.sub :

import re
print(re.sub('(?<=\n)\s+\n', '', content))

输出:

"subject: Exercise Feedback Form
persona_id: bresse
Q1: Yes
Q1 comments: Yes everything was found A1
Q2: No
Q2 comments: No forgot to email me A2
Q3: Yes
Q3 comments: All was good A3
Q4: No
Q4 comments: It was terrible A4
Q5_comments: Get Alex to make it better
subject: Issue With App
persona_id: bresse
comments: Facebook does not work comments feedback"

试试这个:

s = """subject: Exercise Feedback Form
persona_id: bresse
Q1: Yes
Q1 comments: Yes everything was found A1
Q2: No
Q2 comments: No forgot to email me A2
Q3: Yes
Q3 comments: All was good A3
Q4: No
Q4 comments: It was terrible A4
Q5_comments: Get Alex to make it better






























subject: Issue With App
persona_id: bresse
comments: Facebook does not work comments feedback"""
s = s.replace("\n\n","")
print(s)

可以使用正则表达式并将表达式配置为将n个或多个空格/换行符/制表符/空格替换为一个空格:

import re

s = "hello     \n   world"
print(re.sub("\s{4,}"," ",s))

印刷品:

hello world

在这里,它将删除所有空格/换行符/制表符/任何内容( \s 在regex中)如果其中至少有4个,并且将仅替换为一个空格(为了避免在替换后对分隔的单词进行排序,可以将其替换为换行符或无字符)。

在哪里? text 您的字符串是:

import re
text = re.sub(r"\s{2,}", "", text)