如何过滤掉 第一个和最后一个逗号？

Question

,1,222,32,如何过滤掉 第一个和最后一个逗号？得到1，222，32

Answer 1

string result = ",1,222,32,".Trim(new char[] { ',' });

Answer 2

如果确定一定是第一个或者最后一个，用substring比较方便~

Answer 3

  string str=",1,22,33,";
        string newstr = str.Substring(1);
       
        str= newstr.Substring(0, newstr.Length - 1);

Answer 4

string ss = ",1,222,32,";
Console.WriteLine(ss.Trim(','));

Answer 5

,1,222,32,
string str="";
str=str.TrimStart('').TrimEnd('')

Answer 6

ss。TrimStart（‘，’）.TrimEnd(',')

Answer 7

if(",1,222,32,".StartWith(",")||",1,222,32,".EndWith(","))
{
//掐头去尾就好了
}

Answer 8

直接   string ss = ",1,222,32,";
Console.WriteLine(ss.Trim(','));

Answer 9

Trim(',')不用再判断前后是否存在‘，’

Answer 10

string ss = ",1,222,32,";
Console.WriteLine(ss.Trim(','));最方便了..