Python中处理字符串之islower()方法的使用简介

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Release: 2016-06-06 11:16:53
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 islower()方法判断检查字符串的所有的字符(字母)是否为小写。
语法

以下是islower()方法的语法:

str.islower()

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参数

  • NA

返回值

如果字符串中的所有字符是小写且有至少有一个字符此方法返回true,否则返回false。
例子

下面的例子显示 islower()方法的使用。

#!/usr/bin/python

str = "THIS is string example....wow!!!"; 
print str.islower();

str = "this is string example....wow!!!";
print str.islower();

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当我们运行上面的程序,它会产生以下结果:

False
True

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