iOS 去掉字符串中特殊字符

//去掉特殊字符

    NSCharacterSet *setString = [NSCharacterSet characterSetWithCharactersInString:@"@／：；（）¥「」＂、[]{}#%-*+=_\\|~＜＞$?^?'@#$%^&*()_+'\""];
    　NSString *disposeString = [[NSString stringWithFormat:@"%@",@"字符串"] stringByTrimmingCharactersInSet:setString];