单击ok以关闭表达式编辑器。
表达式编辑器现在显示有以下的代码
这将出现一个表达式编辑器。
在表达式编辑器中输入以下的表达式。
此时会打开表达式编辑器。
表达式是使用表达式编辑器创建的(图15)。
An expression was created with the expression editor (Figure 15).
请注意您仍然可以访问字段名称使用表达式编辑器。
Note: You can still access the field names via the expression editor.
获取表达式前缀，该前缀标识受表达式编辑器实现支持的表达式字符串。
Gets the expression prefix that identifies expression strings that are supported by the expression editor implementation.
当在派生类中重写时，返回由表达式编辑器表属性值组成的表达式字符串。
When overridden in a derived class, returns the expression string that is formed by the expression editor sheet property values.
在表达式编辑器中，定义指向输入的Rehire字段的表达式，如图37所示。
In the expression editor, define an expression that points to the Rehire field of the input, as in Figure 37.
需要根据表达式设置此字段，因此请选择Valuederivedfromanexpression单选按钮，然后单击Edit打开表达式编辑器，如图36 所示
The field needs to be set based on an expression, so select the radio button for Value derived from an expression, then click Edit to open the expression editor, as in Figure 36
您只需要通过获取原始规则(清单2)的XML和使用文本编辑器修改表达式就可以完成这项工作。
You can do this simply by taking the XML of the original rule (Listing 2) and using a text editor to modify the expression.
但是该编辑器在许多方面都是保持基本的功能，例如，在搜索对话框中甚至不使用正则表达式。
But the editor remains basic in many ways -- not even using regular expressions in the search dialog, for example.
还存在一个包含智能能力的SQL编辑器控件，用于编辑检查约束表达式。
There is also a SQL editor control that contains intellisense capabilities to edit the check constraint expression.
不过，弱类型API不能够返回正确的泛型表达式，因此生成一个编辑器来警告未检查的转换。
The weakly typed API, however, cannot return correct generically typed expressions, thereby generating a compiler warning for an unchecked cast.
在RegEx规则编辑器中，定义概念类型及其特性，然后把包含正则表达式模式的规则分配给这些类型。
With the RegEx rules editor, you define concept types and their features and then assign rules with regular expression patterns to those types.
在编辑器中，您可以右击表达式，右击，并从弹出菜单中选择MonitorExpression。
In the editor, highlight and right-click the expression, right click, and select Monitor expression from the pop-up menu.
RegEx编辑器的Rule部分（见图7）是实际输入正则表达式的地方。
The Rule section of the RegEx editor, which is shown in Figure 7, is where you actually enter the regular expression.
转到condition标签，删除现有的表达式，然后使用VisualExpression编辑器输入以下表达式。
Go to the condition TAB, delete the existing expression and enter the following expression using the Visual expression editor.
CAMStudio模板编辑器支持向生成模板中添加自定义XPath表达式，不过UI可以定义大多数规则，而无需编写自定义表达式。
CAM Studio template editor supports adding custom XPath expressions to its generated templates but the UI can define most rules without writing any custom expressions.
许多其他UNIX工具，包括交互式编辑器vi和Emacs、流编辑器sed 和awk，以及所有现代编程语言都支持正则表达式。
Many other UNIX tools, including interactive editors vi and Emacs, stream editors sed and awk, and all modern programming languages, also support regular expressions.
许多其他UNIX工具，包括交互式编辑器vi和Emacs、流编辑器sed 和awk，以及所有现代编程语言都支持正则表达式。
Many other UNIX tools, including interactive editors vi and Emacs, stream editors sed and awk, and all modern programming languages, also support regular expressions.
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