一台大型计算机的即时存取存储器可容纳多达100000个“单词”——字母或数字字符的字符串——随时可用。
The instant access memory of a large computer may hold up to 100,000 "words"—string of alphabetic or numerical characters—ready for instant use.
节点名结构中只包含字母数字字符。
The node name structure consists of alphanumeric characters only.
密码中字母数字字符的最小数目。
The minimum number of alphanumeric characters in a password.
密码中非字母数字字符的最小数目。
The minimum number of non-alphabetic characters in a password.
节点名应该只由字母数字字符组成。
The node name structure should consist of alpha-numeric characters only.
表示数字字符的字符分类名称。
表示字母数字字符的字符分类名称。
alnum：字母数字字符。
p {alnum}—字母数字字符。
从1到20个字母数字字符。
实现了对车牌的定位和车牌中数字字符的识别。
The license location and the digital characters recognition in the license plate were implemented.
子项是字符信息项，即包含字母数字字符的项。
The child is the character information item, meaning that the item contains alphanumerical characters.
前跟转义字符用于表示任意非数字字符的字符。
The character which when preceded by an escape character represents any non-digit character.
四到七个小写字母和字母数字字符，以字母开头。
Four to seven lowercase and alphanumeric characters, beginning with a letter.
有些字段你可能不想它被分词，比如一连串的数字字段。
Some fields you may not want to be tokenized, for example a serial number field.
消息不得超过160个字母数字字符且不包含图像或图形。
Messages must be no longer than 160 alphanumeric characters and contain no images or graphics.
上面的主程序逻辑将搜索匹配简单标准的字母和数字字符串。
The main program logic above searches for letter and number strings matching our simplistic criteria.
七个小写字母和字母数字字符，前四个字符为字母，而后三个字符为数字。
Seven lowercase and alphanumeric characters, first four characters being alphabetic and the last three characters being digits.
七个小写字母和字母数字字符，前三个字符为字母，而后四个字符为数字。
Seven lowercase and alphanumeric characters, first three characters being alphabetic and the last four characters being digits.
如下所示，提供的每个文件中的每一行将被转换为变形后的字母数字字符串。
As shown below, each line in every file provided will be transformed into an inflected alphanumeric string.
所有长形式选项都以两个连字符(-)开头，由数量可变的字母数字字符表示。
All long form options begin with two hyphens (-) and are represented by a variable number of alphanumeric characters. In this example, it makes sense to use the following long form option identifiers.
每个用户名至少要包含3个但不多于10个字母数字字符，并且必须以字母为开头。
Each user name must be at least three, but not more than 10 alphanumeric characters and must begin with a letter.
本文将使用Sphinx - 4代码库为小型常用字母和数字字典提供自动识别。
This article USES the Sphinx-4 code base to provide automatic recognition of a very small dictionary of common letters and Numbers.
对于带前置负号(负前缀)的模式，截断发生在非数字字符的点(包括了内嵌的负号)。
For patterns with a leading minus sign (negative prefix), truncation occurs at the point of a nondigit character, including embedded minus signs.
这些规则指定密码可以包含哪些内容，例如，密码是否应当只包含字母或字母数字字符。
These rules specify what a password can consist of, such as whether a password should consist of only alphabets or alphanumeric characters. The following rules are supported.
在这个示例程序中，只能加密字母和数字字符(a -z、a - z和0 - 9)。
In this sample program, only alphabetic and numeric characters (a-z, a-z, and 0-9) can be ciphered.
您可以 在输入数字之后调用服务器，但是如果有许多使用不同格式的数字字段就太麻烦了。
You could call the server after the number is entered, but this could get annoying if you have a lot of number fields with different formats.
对于我们的例子，item_id是一个char列，它只存储数字字符，如以下语句所示。
For our example, item_id is a char column that stores only numeric characters, as we indicate in the following statement.
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。
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。
Generate a single, secure password with no ambiguous, or easily confused, characters and at least one non-alphanumeric character.
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