NSMutableString *strBody = [NSMutableString stringWithString:_noticeInfo.body];
   
NSString *search = @"
";
NSString *replace = @"
";

NSRange range = [strBody rangeOfString:search];
while(range.location != NSNotFound){
    [strBody replaceCharactersInRange:range withString:replace];
    range = [strBody rangeOfString:search];
}

NSRange range = NSMakeRange(0, [strBody length]);
[strBody replaceOccurrencesOfString:search withString:replace options:NSLiteralSearch range:range];