non alphanumeric

基本解释

Generate a single, secure password with no ambiguous, or easily confused, characters and at least one non-alphanumeric character
生成一个安全的密码，其中不包含含糊（即容易混淆的）字符，至少包含一个非字母数字字符
The escape() function replaces almost any non-alphanumeric ASCII character with % followed by the two-digit hexadecimal code of the encoded character.
escape() 函数用 % 后跟被编码字符的两位 16 进制码代替了几乎所有非字母数字的 ASCII 字符。
For any data that will be output to another web page, especially any data that was received from external inputs, use the appropriate encoding on all non-alphanumeric characters.
对于所有将被输出到另一web页面的数据，特别是所有从外部输入接收的数据来说，要在所有非字母数字的字符上使用编码。