System.Text.StringBuilder sb = new System.Text.StringBuilder(text.Length);
|
string filterText = "需要过滤的脏字 以|分开";//脏字 可根据自己的方式用分隔符
|
|
string[] filterData = filterText.Split('|');
|
foreach (var item in filterData)
|
{
|
char value = item[0];
|
if (dicList.ContainsKey(value))
|
dicList[value].Add(item);
|
else
|
dicList.Add(value, new List<string>() { item });
|
}
|
|
int count = text.Length;
|
for (int i = 0; i < count; i++)
|
{
|
char word = text[i];
|
if (dicList.ContainsKey(word))//如果在字典表中存在这个key
|
{
|
int num = 0;//是否找到匹配的关键字 1找到0未找到
|
var data = dicList[word].OrderBy(g => g.Length);//把该key的字典集合按 字符数排序(方便下面从少往多截取字符串查找)
|
|
foreach (var wordbook in data)
|
{
|
if (i + wordbook.Length <= count)//如果需截取的字符串的索引小于总长度 则执行截取
|
{
|
string result = text.Substring(i, wordbook.Length);//根据关键字长度往后截取相同的字符数进行比较
|
if (result == wordbook)
|
{
|
num = 1;
|
sb.Append(GetString(result));
|
i = i + wordbook.Length - 1;//比较成功 同时改变i的索引
|
break;
|
}
|
}
|
}
|
if (num == 0)
|
sb.Append(word);
|
}
|
else
|
sb.Append(word);
|
}
|
return sb.ToString();
|
}
|
/// <summary>
|
/// 替换星号
|
/// </summary>
|
/// <param name="value"></param>
|
/// <returns></returns>
|
private static string GetString(string value)
|
{
|
string starNum = string.Empty;
|
for (int i = 0; i < value.Length; i++)
|
{
|
starNum += "*";
|
}
|
return starNum;
|
}
|
//该代码片段来自于: http://www.sharejs.com/codes/csharp/5486 |