C# 过滤html标签的方法
public string Left(string strChar, int intLong)
{
string val = System.Text.RegularExpressions.Regex.Replace(strChar, "<[^>]+>", "").Trim();
int lon = intLong;
int len = val.Length;
if (len > lon)
{
val = val.Substring(0, lon);
}
return val;
}