C# 中 分割字符串，以及将字符串分割后的 字符串数组 进行数字验证的操作

var values = new List<double>();
var str = "1\r\n2,3,-0.01,-00.02,-.3,001,adfa\r\n";
var vals = str.Split(new string[] { "\r\n",",","|","\r","\n" }, StringSplitOptions.None);//按照一定条件分割
foreach (var val in vals)
{
    var isNum = Regex.IsMatch(val, @"^-?\d+$|^(-?\d+)(\.\d+)?$");//正则检查是否是数字(可正负，可小数)
    if (isNum)
    {
        double.TryParse(val, out double value);
        values.Add(value);
    }
}