Regular expression to validate the special string

 Run the following function requires using support System.Text.RegularExpressions namespace.

 
  public bool checkString(string source)
  {
   Regex regExp=new Regex("[~!@#$%^&*()=+[\\]{}''\";:/?.,><`|！·￥…—（）\\-、；：。，》《]");
   return !regExp.IsMatch(source);
  }
 

 

Reproduced in: https: //www.cnblogs.com/yitian/archive/2008/09/16/1291407.html