将密码中字符类的数目设置为。
密码中字符类的数目。
还可以使用许多命名字符类来确定您的平台和国家语言。
You can also use a number of named character classes that will be accurate for your platform and national language. Some examples
要获得字符类的完整列表，请参阅适用于您的PHP版本的文档。
Consult the documentation for your version of PHP for a complete list of character classes.
最简单的字符类就是单个字符，它在模式中只是一个字。
The simplest character class is a single character, which is just included in the pattern as a literal.
例如，字符类[：punct：]表示当前语言环境中的所有标点字符。
For instance, the character class [: punct:] stands for all punctuation characters in the current locale.
模糊逻辑用于确定各字符类的隶属值以保证字符的正确预分类。
In order to ensure correct character preclassification, a fuzzy-logic app roach is used to assign a membership to each typographical category for ambiguous classes.
在这个特别的规则表达式中，出现了' [[：space：]] '字符类。
In this particular regular expression, we encounter the '[[: space:]]' character class.
可以将字符类看作是规则表达式的“原子”，通常会将那些原子组合成“分子”。
You can think of character classes as the "atoms" of regular expressions, and you will usually want to group those atoms into "molecules."
此外，许多regex实现都支持更易于跨多种编写语言使用和移植的预定义字符类。
In addition, many regex implementations support predefined classes of characters that are easier to use and portable across multiple written languages.
范围（Range）：使用短线（dash）来指定包括一定范围字符的字符类。
Range: Use a dash to specify a character class for an inclusive range.
与新字符类，威望课，伟绩一起，拼写，和魔术项目，完成骑狗也提供适合跑一次吉祥物集中的战役的指南。
Along with new character classes, prestige classes, feats, spells, and magic items, Complete Riding Dog also provides guidelines for running a mascot-focused campaign.
字符类(Characterclass)：一个字符类就是方括号内的一个字符集，其中，匹配可以是括号内的任意一个字符。
Character classes: a character class is a set of characters within square brackets where a match would be any one character within the brackets.
Posix字符类(Posix character class)：某些字符类仅在用于US - ASCII比较时才有效。
Posix character classes: Certain character classes are valid for only US-ASCII comparison purposes. For instance.
可以启动shell并开始运行Apacheaxis类，但是我们发现启动每个命令要使用100个字符以上的类路径是很不方便的。
You can launch a shell and start running the Apache Axis classes, but we find it inconvenient to start each command with a 100 + character class path.
Metaphone算法使用了16个辅音类，由下列字符代表。
The Metaphone algorithm USES 16 consonant classes represented by the following characters.
我现在能向这新的空类填充属性，诸如字符串和数字类型(代表了角色的成分)，以及这个类中常用的函数。
I can now fill the new empty class with attributes such as string and number types (representing the elements of the character), as well as functions common to this class.
或许避免在程序执行期间创建这些类的最佳方式在于，避免在应用程序的时间关键型部分使用反射服务来从字符串映射类、字段或方法。
Probably the best way to avoid their creation during the program is to avoid using reflection services to map class, field, or methods from strings during the time-critical parts of your application.
前面的示例包含一个类对象和字符串。
如果您尝试将一个类文件作为文本输出或查看，那么通常会看到上述形式的多个字符串，每个字符串都是对某个类的引用。
If you try to print or view a class file as text, you'll generally see many strings of this type, each a reference to some class.
在我们的例子中，构造器接收了一个表示超类名称的字符串。
In the example shown here, the constructor accepts a string that represent the superclass name.
请考虑清单1中的简单字符串类。
为了保持连续性，先回顾一下本系列第1部分中讨论过的字符串类(见清单2)。
For the sake of continuity, recall the poorly designed string class discussed in part 1 of this series (see Listing 2).
它用于诸如字符串常量和类之类的对象。
在生成的XML中对象名变成了元素名，类中的字符串组成了XML中的元素内容。
Object names become element names in the XML produced, and the strings within classes form the element content of the XML.
清单10为字符串类定义一个测试套件。
Look at Listing 10, which defines a test suite for your string class.
在基于MIDP 的应用程序上支持XML 很困难，因为CLDC基类中的字符串功能很有限。
Supporting XML on MIDP-based applications is difficult due to the limited string functions in CLDC base classes.
可以在类的上下文中估计字符串。
可以在类的上下文中估计字符串。
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