It's important to note that the Contains method always does a case-sensitive search; if we looked for the string RIPT, Contains would tell us that this text could not be found.

注意到Contains方法总是采取大小写敏感搜索是很重要的。如果我们查找字符串ript, Contains将会告诉我们这个文本不能被找到。

youdao

Well, one way to handle that is to convert both the string variable ($a) and the target text (RIPT) to all-lowercase or all-uppercase characters. This command returns the value True

好的，一种处理这个问题的方法是将两个字符串变量($a)及目标文本(RIPT)都转换成小写或者大写字符。

youdao

Well, one way to handle that is to convert both the string variable ($a) and the target text (RIPT) to all-lowercase or all-uppercase characters. This command returns the value True

好的，一种处理这个问题的方法是将两个字符串变量($a)及目标文本(RIPT)都转换成小写或者大写字符。

youdao