C#字符串内多个空格合并成1个

        public static string CombineInsideSpaces(string orinStr)
        {
            List<int> poses = new List<int>();
            for (int i = 0; i <= orinStr.Length - 1; i++) {//获取所有空格位置
                if (orinStr[i] == ' ') {
                    poses.Add(i);
                }
            }
            for (int i = poses.Count - 1; i >0; i--) {//遍历每个空格位置,检查前位 是否未空格
                var cur = poses[i];
                var prev = poses[i - 1];
                if (prev == cur - 1) {
                   orinStr=orinStr.Remove(cur, 1);
                }
            }
            return orinStr;
        }