alphanumeric

音標發(fā)音

This identifier may be a character string, numeric, or alphanumeric value.
這個標識符可以是字符串、數(shù)字或字母數(shù)字值。
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(xiàn)在至少一個字母數(shù)字字符之后，這樣整個模式匹配才能成功。
The user name should consist of alphanumeric characters and be a valid structure for all systems within an organization so that each person only has one user name.
用戶名應(yīng)該由字母數(shù)字字符組成，并且對于組織內(nèi)部所有的系統(tǒng)都應(yīng)該是有效的結(jié)構(gòu)，以便每個人只使用一個用戶名。

But at this meeting, it is in danger of being upstaged by another alphanumeric entity, U2.
ECONOMIST: Inviting China to dinner
As you can tell from its alphanumeric moniker, that single letter is a nod towards the handset's physical leanings.
ENGADGET
In fairness, everyone seems to be trying to copy the Germans in using alphanumeric model designations, and most of them are awful.
FORBES: Magazine Article

alphanumeric character 字母數(shù)字字符組
alphanumeric key [計]字母數(shù)字鍵;文數(shù)字鍵;字母數(shù)字鍵英語;字母數(shù)字鍵
alphanumeric field 字數(shù)字段;文數(shù)欄;[計]字母數(shù)字字段
alphanumeric keyboard [計]字母數(shù)字鍵盤;文數(shù)鍵盤;字母數(shù)學(xué)鍵盤;字母數(shù)字鍵盤英語
alphanumeric grid 字母數(shù)字格網(wǎng)圖;[測]字母數(shù)字格網(wǎng);字母數(shù)字網(wǎng)格;地圖指示格網(wǎng)

(of a character set, code, or file of data) consisting of alphabetical and numerical symbols