Therefore the regular expression A*B will match the strings AB, AAB, AAAB, or any other string starting with an A and ending with a single B.

因此，正则表达式 A*B 将与字符串 AB 、 AAB 、 AAAB 或任何其它以 A 开头并以单个 B 为结尾的字符串相匹配。

Regex: The regular expression.

regex：正则表达式。

Any regular expression can be used.

任何正则表达式都可以使用。

Enter the following regular expression.

输入下面的正则表达式。

Step 4: Evaluate the regular expression.

第4步：评估正则表达式。

Also, see how simple the regular expression is.

还有，看看正则表达式是多么的简单。

Notice that you first ran a regular expression on it.

请注意，首先在其上运行了一个正则表达式。

Table 1 shows some basic regular expression sequences.

表1显示了一些基本正则表达式序列。

The syntax used is plain old regular expression syntax.

所使用的语法是普通而古老的正则表达式语法。

Table 1 shows some common regular expression operators.

表 1 显示了一些常用的正则表达式操作符。

You use the -e option to specify the regular expression.

可以使用- e选项来指定正则表达式。

The regular expression argument is the routing mechanism.

正则表达式参数是路由机制。

The regular expression is described utilizing the element.

这个正则表达式在 元素中指定。

A regular expression extracts information through capture.

正则表达式通过捕获来提取信息。

A regular expression can also include repetition modifiers.

正则表达式还可以包括重复修饰符。

Regular expression addresses are always surrounded by slashes.

规则表达式地址总是由斜杠括起。

You can also use regular expression-like groups to match files.

您还可以使用类似于正则表达式的组来匹配文件。

In a nutshell, a regular expression describes a string pattern.

简而言之，正则表达式描述字符串模式。

You can even precompile a regular expression for speed increases.

您甚至可以重新编译一个 正则表达式来提高速度。

The schema parser must have support for regular expression facets.

模式解析器必须支持正则表达式。

One of the unique features of it is its regular expression debugger.

它的一个独特的特性是常规表达式调试器。

Listing 1 applies the regular expression to a command-line parameter.

清单1将正则表达式应用到命令行参数中。

The regular expression annotator is configured by means of an XML file.

正则表达式注释器是通过一个 XML 文件配置的。

You can write this pattern as a regular expression in the following way.

您可以按下列方式将该模式写为一个正则表达式。

First, the key value for a threshold definition is a regular expression.

首先，阀值定义的关键值是一个正则表达式。

You run a regular expression against it to extract the user agent string.

您针对这个对象运行一个正则表达式，提取用户代理字符串。

Listing 8 demonstrates how to check a JSON string with a regular expression.

清单8演示了如何使用正则表达式检查JSON字符串。

First, get all the matches with a regular expression that look pretty complex.

首先，获得所有与一看起来非常复杂的正则表达式匹配的结果。

To test the regular expression, the stylesheet simply copies its input unmodified.

为了测试正则表达式，样式表只是不加改变地复制其输入。

All too often, you might overlook a test or write an incomplete regular expression.

通常，您可能没注意到测试或编写不完整的正则表达式。