In this particular regular expression, we encounter the '[[: space:]]' character class.
在这个特别的规则表达式中，出现了' [[：space：]] '字符类。
When nose looks inside of a test class, it runs methods matching that same regular expression.
当nose 检查测试类的内部时，它运行与同一正则表达式匹配的方法。
In Listing 14, I've defined an implementing class, called RegexPackageFilter, that applies a regular expression for filtering purposes.
在清单14中，定义了一个名为RegexPackageFilter的实现类，它应用一个正则表达式来进行过滤。
Coming up with the right regular expression and then working with the results of the Matcher class is really all there is to the library.
提出正确的正则表达式，然后使用matcher类的结果，这就是这个模式匹配库要做的全部工作。
The MatchIterator class is enumerable and handles the regular expression processing.
MatchIterator类是可枚举的，它还处理正则表达式处理过程。
Since the JDK includes a regular expression library, I don't anticipate any difficulties with this class.
因为JDK包含正则表达式库，所以我想实现这个类不会有任何困难。
Unicode character class specifiers, arbitrary code execution inside a pattern, flag toggles, conditional expressions, and many other features were added to the regular expression engine.
Unicode字符集、模式内任意代码操作、flagtoggles、条件表达式以及其他特征都被添加到正则表达式库中。
The compiler retrieves the compiled scanner class for the regular expression, instantiates it, and executes the code in the current application domain.
编译器在已编译的扫描仪类中检索正则表达式，将其实例化并在当前应用程序域中执行代码。
The compiler compiles the regular expression into a custom scanner class using reflection emit because the user has requested that the expression be compiled.
由于用户已请求编译表达式，编译器使用反射发出将正则表达式编译为自定义扫描仪类。
To allow additional characters in user input, add those characters to the character class in the regular expression pattern.
若要允许使用者输入额外的字元，加入规则运算式的模式中的字元类别中的这些字元。
To allow additional characters in user input, add those characters to the character class in the regular expression pattern.
若要允许使用者输入额外的字元，加入规则运算式的模式中的字元类别中的这些字元。
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