python编程怎样去掉空格

python编程怎样去掉空格

处理字符串时经常要定制化去掉无用的空格,python 中要么用存在的常规方法,或者用正则处理,那么python编程怎样去掉空格?python去掉空格常用方式具体有哪些呢?今天就一起来了解下吧!

1、去掉右边空格:

string = " * it is blank space test * "

print (string.rstrip())

result:

  • it is blank space test *

2、去掉左边空格:

string = " * it is blank space test * "

print (string.lstrip())

result:

  • it is blank space test *

3、去掉左右两边空格:

string = " * it is blank space test * "

print (string.strip())

result:

  • it is blank space test *

4、去掉所有空格:

有两种方式

eg1:调用字符串的替换方法把空格替换成空

string = " * it is blank space test * "

str_new = string.replace(" ", “”)

print str_new

result:

itisblankspacetest

eg2:正则匹配把空格替换成空

import re

string = " * it is blank space test * "

str_new = re.sub(r"\s+", “”, string)

print str_new

result:

itisblankspacetest

关于python怎样去掉空格,就和大家分享到这里了,学习是永无止境的,学习一项技能更是受益终身,所以,只要肯努力学,什么时候开始都不晚,加油!

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