- (NSString *)removeTheHtmlFromString:(NSString *)htmlString {

     NSScanner * scanner = [NSScanner scannerWithString:htmlString];

     NSString * text = nil;

     while([scanner isAtEnd]==NO) {

         //找到标签的起始位置

         [scanner scanUpToString:@"<" intoString:nil];

         //找到标签的结束位置

         [scanner scanUpToString:@">" intoString:&text];

         //替换字符

         htmlString = [htmlString stringByReplacingOccurrencesOfString:[NSString stringWithFormat:@"%@>",text] withString:@""];

     }

     return htmlString;

 }

 //正则去除标签

 -(NSString *)removeHtmlWithString:(NSString *)htmlString{

     NSRegularExpression * regularExpretion=[NSRegularExpression regularExpressionWithPattern:@"<[^>]*>|\n" options: error:nil];

     htmlString = [regularExpretion stringByReplacingMatchesInString:htmlString options:NSMatchingReportProgress range:NSMakeRange(, htmlString.length) withTemplate:@""];

     return htmlString;

 }