alphanumeric character

常见例句

The \p{Alnum} sequence means a single alphanumeric character (A through Z, a through z, or 0 through 9).
p{Alnum} 序列表示單個字母數字字符（A 到 Z、a 到 z 或 0 到 9）。
The @ is just that, meaning it must appear after at least one alphanumeric character for the whole pattern to succeed.
@ 就是意味著它必須出現在至少一個字母數字字符之後，這樣整個模式匹配才能成功。
Generate a single, secure password with no ambiguous, or easily confused, characters and at least one non-alphanumeric character
生成一個安全的密碼，其中不包含含糊（即容易混淆的）字符，至少包含一個非字母數字字符