比较两个数组并从第二个数组中删除相同(相交)的值
Compare Two Arrays And Delete Same (Intersect) Value From Second Array
string[] one={"my", "5", "two", "array", "hey?", "good", "day"};
string[] two={"hello!", "how", "good", "day", "us", "very", "two", "hard", "learn", "it"};
例如:我有上面这些数组,我想比较它们,比较后从两个字符串[]中删除相同的值。所以,当我编译代码时,我的数组将是这样的;
string[] one={"my", "5", "two", "array", "hey?", "good", "day"};
string[] two={"hello!", "how", "us", "very", "hard", "learn", "it"};
注意:抱歉,我无法对此产生任何想法。
只需在 Linq
语句中使用 Where
、Contains
,然后 ToArray
简单来说,
它通过检查数组 one
是否不包含两个
的每个元素来过滤数组 two
将输出转换回数组
将它赋值给你的变量 two
例子
string[] one={"my", "5", "two", "array", "hey?", "good", "day"};
string[] two = { "hello!", "how", "good", "day", "us", "very", "two", "hard", "learn", "it" };
two = two.Where(x => !one.Contains(x)).ToArray();
Console.WriteLine(string.Join(",", two));
注意,这里区分大小写
输出
hello!,how,us,very,hard,learn,it
或者更高效的方法是使用 Except
,我完全忘记了(感谢评论)
two = two.Except(one).ToArray();
Produces the set difference of two sequences.
Filters a sequence of values based on a predicate.
Determines whether a sequence contains a specified element.
Enumerable.ToArray(IEnumerable) Method
Creates an array from a IEnumerable.
string[] one={"my", "5", "two", "array", "hey?", "good", "day"};
string[] two={"hello!", "how", "good", "day", "us", "very", "two", "hard", "learn", "it"};
例如:我有上面这些数组,我想比较它们,比较后从两个字符串[]中删除相同的值。所以,当我编译代码时,我的数组将是这样的;
string[] one={"my", "5", "two", "array", "hey?", "good", "day"};
string[] two={"hello!", "how", "us", "very", "hard", "learn", "it"};
注意:抱歉,我无法对此产生任何想法。
只需在 Linq
语句中使用 Where
、Contains
,然后 ToArray
简单来说,
它通过检查数组
one
是否不包含两个 的每个元素来过滤数组 将输出转换回数组
将它赋值给你的变量
two
two
例子
string[] one={"my", "5", "two", "array", "hey?", "good", "day"};
string[] two = { "hello!", "how", "good", "day", "us", "very", "two", "hard", "learn", "it" };
two = two.Where(x => !one.Contains(x)).ToArray();
Console.WriteLine(string.Join(",", two));
注意,这里区分大小写
输出
hello!,how,us,very,hard,learn,it
或者更高效的方法是使用 Except
,我完全忘记了(感谢评论)
two = two.Except(one).ToArray();
Produces the set difference of two sequences.
Filters a sequence of values based on a predicate.
Determines whether a sequence contains a specified element.
Enumerable.ToArray(IEnumerable) Method
Creates an array from a IEnumerable.