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HomeBackend DevelopmentPython Tutorial浅析python 内置字符串处理函数的使用方法

一、lower():将大写字母全部转为小写字母。如:

复制代码 代码如下:

name='G'
b=name.lower()

二、title”":将字符串转化为标题,即所有单词的首字母大写,其他字母小写。使用方法同lower()

三、replace:返回某字符串的所有匹配项均被替换之后得到的字符串。

复制代码 代码如下:

'This is a test'.replace('is','are')

四、split:将字符串分割成序列

复制代码 代码如下:

'1+2+3+4+5'.split('+')

默认程序将所有空格作为分隔符。

五、strip:返回去除两侧(不包括内部)空格的字符串

复制代码 代码如下:

'               in wh is kepy         '.strip()

六、translate:替换字符串中的某些部分。translate知识处理单个字符。但可以同时进行多个替换,多个替换指的是可以同时将a替换成b,将c替换成d,而replace一次只能将a替换成b。translate的用法较为复杂,需要使用的使用请翻阅专门介绍它的文档。

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