将数组拆分为另一个数组

Split array into another array

我有一个这样的字符串数组:

string[] Array = new string[3] {"Man(21)", "Woman(33)", "Baby(4)"};

现在我想把这个数组拆分成这个方案:

Array = new string[6] {"Man", "21", "Woman", "33", "Baby", "4"};

有人知道吗?

你可以使用Split and SelectMany

var result = Array.SelectMany(x => x.Split(new[]
    {
        '(', ')'
    }, StringSplitOptions.RemoveEmptyEntries)).ToArray();
var result = from str in Array
let items = str.Split('(')
from item in items
select item.Replace(")", string.Empty);

你可以试试正则表达式:

    var pattern  = @"(?<person>\w+)\((?<age>\d+)\)";
    var Array = new string[3] { "Man(21)", "Woman(33)", "Baby(4)" };
    Array = Array.SelectMany(item =>
    {
        var match = Regex.Match(item, pattern, RegexOptions.IgnoreCase);
        var person = match.Groups["person"].Value;
        var age = match.Groups["age"].Value;
        return new List<string>{person, age};
    }).ToArray();

根据用例,您可能会发现输出具有 NameAge 属性的对象列表或字典更有用。这是前者的一个例子:

        string[] arr = new[] { "Man(21)", "Woman(33)", "Baby(4)", /* test case */ "NoAge" };
        var result = arr.Select(s => s.Split(new[] { '(', ')' }, StringSplitOptions.RemoveEmptyEntries)).Select(r => new
        {
            Name = r.First(),
            Age = r.Skip(1).SingleOrDefault()
        }).ToList();

结果是:

Name Age

Man 21

Woman 33

Baby 4

NoAge null

Split 命令归功于医生。