下面是一个样本应用程序，它实例化您的解析器，并且为它提供了一个硬连接在应用程序顶部的表达式。
Here's a sample application that instantiates your parser and feeds it an expression that you hardwired in at the top of the app.
下面的示例演示如何使用正则表达式从文本中提取出坐标和面积等概念。
The following example show you how to use regular expressions to extract concepts such as coordinates and areas from text.
下面的代码示例显示了jsp表达式。
浏览下面这篇文章——如何使用正则表达式优化查询并节约时间？
Navigate to the link to the following article - How to use regular expression to search better and save time?
转换过程包括用下面的算法读入中缀表达式的操作数、操作符和括号。
The conversion process involves reading the operands, operators, and parentheses of the infix expression using the following algorithm.
下面是遍历表达式的一个示例。
下面的案例研究展示如何迁移这样一个报告：报告在分析摘要函数的withinset子句外部的一个表达式中使用nestedset函数。
The following case study illustrates the migration of a report that USES the nestedSet function in an expression outside the within set clause of analytic summary function.
下面是存储区域筛选器表达式中不能使用的StorageArea属性。
Following is a list of the StorageArea properties that you cannot use in a storage policy filter expression.
输入下面的正则表达式。
下面的语句执行一个XQuery表达式，并以表的形式返回data列中的值。
The following statement executes an XQuery expression and return values as a table from the DATA column.
下面将解释这4个更新表达式。
如果需要获得文档中青少年的姓氏列表，可使用下面的XPath表达式。
If you want to obtain a list of last names of the children in this document, you can use the following XPath expression.
不变，With，constant，N，and，V。,给出下面的表达式。
如果不喜欢使用这么长的字符串连接语句，另一种方法是使用字符串格式操作符，可以使用下面这样的表达式。
If you prefer not to use a long string concatenation statement like this, an alternative is to use the string formatting operator which enables you to have an expression like.
下面的示例演示如何使用XQuery转换表达式更新现有XML文档中的三个节点。
This example shows you how to use XQuery transform expressions to update three nodes in the existing XML documents.
下面我们来看一个jsp页面，其中，输入文本框名称根据有效的OGNL表达式生成，“ABCIncorporated”的“no ofStocksfield”字段通过OGNL表达式更新。
Now let's consider a JSP page where the input text box names are generated per valid OGNL expressions and how the "no of Stocks field" of "ABC Incorporated" is updated by the OGNL expression.
表达式一旦处于这种状态，就为下面两步做好了准备：表达式检查和求值。
Once the expression is in this state, it is ready for the next two steps: expression checking and evaluation.
进一步讲，某些表达式的效果是未定义的。例如，考虑下面的代码。
Further, the effect of certain expressions is undefined. For example, consider the following code.
regexmatch函数为SQLServer提供了许多功能，而. NET中的正则表达式实现提供的功能则更多，正如您在下面内容中将看到的一样。
The RegexMatch function provides many features to SQL Server, but the regular expressions implementation in.net provides much more, as you'll see next.
下面的表达式匹配所有小写字母和连字符。
The following expressions match all lowercase letters and the hyphen.
下面的例子展示了一个模板表达式的示例，结果在第二行。
The code examples show an example template expression, with its result on the next line.
下面的两个正则表达式都满足这些要求。
Both of the following regular expressions satisfy these requirements.
下面的表达式指定按层次结构向下转换为一个根据程序上下文推断出的类型。
The following expression specifies a conversion down the hierarchy to a type that is inferred from program context.
下面的表达式指定按层次结构向上转换。
The following expression specifies a conversion up the hierarchy.
通过使用上面显示的正则表达式，下面的示例可将两个连续相同的单词的匹配项替换为同一单词的单个匹配项。
Using the regular expression shown above, the following example replaces an occurrence of two consecutive identical words with a single occurrence of the same word.
例如，假设你想匹配的HTML标签，使用了下面的正则表达式。
As an example, let's say you want to match HTML tags, and you come up with the following regex.
元字符是正在表达式的本质，它是一类特殊的字符，下面展示了不同类型的元字符。
Metacharacters are special characters which are the essence of Regular Expressions. There are different types of metacharacters, described below.
下面的查询表达式联接一个客户列表和一个客户订单列表。
The following query expression joins a list of customers and a list of customer orders.
下面的代码示例演示如何使用正则表达式验证字符串的格式设置。
The following code example demonstrates the use of regular expressions to verify the formatting of a string.
下面的代码示例演示如何使用正则表达式验证字符串的格式设置。
The following code example demonstrates the use of regular expressions to verify the formatting of a string.
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