In most cases, if you create a list of "illegal" characters, an attacker will find a way to exploit your program.

在绝大多数情况下，如果您创建了一个“非法”字符的列表，攻击者还是可以找到利用您的程序的方法。

youdao

Characters that have a special meaning in your program: For instance, characters used as delimiters.

在您的程序中有特定含义的字符：例如，用于定界的字符。

youdao

The program allows an attacker to include characters that change the meaning of that SQL command.

这个程序允许攻击者包括可以修改SQL命令意义的字符。

youdao

"I didn't really think about it as an educational program, I just really fell in love with the characters.

VOA: special.2009.11.27

Well it's a stupid looking program, but because I had more new line characters, and because I was using percent C, for individual characters, one per line, now I'm seeing dot slash ARG V2, well, now if I go ahead and rerun this with foo, I get this effect as well.

这是一个看起来很笨的程序，但是因为我有更多的新行代码，因为我使用的是%c，为单个字符使用的，每一行一个，现在我看到的是，/argv2，好的，现在如果我继续用foo返回它，我产生了这样的效果。

哈佛公开课 - 计算机科学课程节选

It took us only about 2 minutes to get the program to recognize 120 characters (excluding spaces).

FORBES: Scratch pads

Jot also disappointed because certain characters require learning a shorthand of sorts, but even so the program didn't achieve outstanding accuracy.

FORBES: Scratch pads