使用.contains方法忽略大小写的选项？ [英] Option to ignore case with .contains method?

问题描述

是否可以选择忽略 .contains（）方法的情况？

Is there an option to ignore case with .contains() method?

我有一个<$ DVD对象的c $ c> ArrayList 。每个DVD对象都有一些元素，其中一个是标题。我有一个搜索特定标题的方法。它有效，但我希望它不区分大小写。

I have an ArrayList of DVD object. Each DVD object has a few elements, one of them is a title. And I have a method that searches for a specific title. It works, but I'd like it to be case insensitive.

推荐答案

我猜你的意思是在用字符串搜索时忽略大小写？

I'm guessing you mean ignoring case when searching in a string?

我不知道，但您可以尝试将字符串转换为搜索到较低或大写，然后搜索。

I don't know any, but you could try to convert the string to search into either to lower or to upper case, then search.

// s is the String to search into, and seq the sequence you are searching for.
bool doesContain = s.toLowerCase().contains(seq);

编辑：
正如Ryan Schipper建议的那样，你也可以（也可能会更好） ）根据你的情况做seq.toLowerCase（）。

As Ryan Schipper suggested, you can also (and probably would be better off) do seq.toLowerCase(), depending on your situation.

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