C#自定义字符串替换Replace方法实例

                else
                {
                    // 记录不完全匹配
                    flag = false;
                    // find的索引归零
                    j = 0;
                    // Source的索引继续想加
                    n++;
                }

                // 已经查找完毕
                if (j == find.Length)
                {
                    // 完全匹配
                    if (flag)
                    {
                        // 查找的字符数量+1
                        findCount++;
                    }
                    // 记录查找的数组结尾索引
                    e = n;
                    // source 索引继续+1
                    n++;
                    // find的索引归零