如何过滤掉两个列表中的常见元素？ [英] How Do I Filter Out The Common Elements Of Two Lists?

问题描述

如何过滤掉两个列表的常用元素？

how do i filter out the common elements of two lists?

推荐答案

使用 Enumerable.Intersect [ ^ ]。



示例在页面上。

Use Enumerable.Intersect[^].

Example is on the page.

IEnumerable<Product> duplicates = store1.Intersect(store2);

如果你想要两个列表中的值：

If you want the values which are in both lists:

var inBoth = firstList.Intersect(secondList);

如果你想要的值是在第一个列表中，但不是第二个：

If you want the values which are in the first list, but not the second:

var inFirst = firstList.Except(secondList);

如果你想要两个列表不常见的值：

If you want the values which are not common to both lists:

var notInBoth = firstList.Except(secondList).Union(secondList.Except(firstList));

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