The regular expression built requires a word boundary at the end of the built expression to ensure this behavior.
构建的正则表达式要求在构建的表达式末尾有一个词界以确保此行为。
It represents a regular expression and provides the logic to match the regular expression against strings.
它表示一个正则表达式并提供了使正则表达式与字符串相匹配的逻辑。
Libraries are guaranteed that once they have a reference to an expression tree, that expression tree will never change.
函数库被保证，一旦这些函数库引用了一个表达式树后，表达式树就不再改变。
Note: the query optimizer considers using a functional index when the index expression is used in a relational expression or as an argument to one of the operator class functions.
注意：当索引表达式被用于关系表达式，或作为某个操作符类函数的参数时，查询优化器将考虑使用函数索引。
Converting infix expression to a postfix expression.
中缀表达式到后缀表达式的转换。
To use a regular expression in Squirrel Shell, you define the regular expression, compile it, make a comparison, then iterate over the results, if any.
要在SquirrelShell中使用正则表达式，需要先定义正则表达式，对其进行编译，进行比较，然后再迭代结果(如果有的话)。
Each expression class has a simplify method, to allow expression rewriting.
每个表达式类都有一个simplify方法，以允许表达式重写。
Finally, the last expression applies the lambda expression to the list containing (101 102).
最终，最后一个表达式对包含 (101 102)的列表应用这个lambda 表达式。
Click the canvas, and then connect the string expression to the log expression by right-clicking the text expression, selecting Add - Link, and then clicking the Print to log utility.
单击画布，然后右键单击文本表达式，选择add-Link，然后单击“Printtologutility”，从而将字符串表达式连接到日志表达式。
This USES the regular expression module (re) to create a compiled regular expression from the regular expression the user enters in line 8.
它使用正则表达式模块(re)，由用户在第8行输入的正则表达式创建已编译的正则表达式。
In our example, the XQuery expression that we pass to XMLEXISTS() is a simple XPath expression where $t is the XML column data: $t/marketinfo/sales/customer/address[zip = "79081"].
在我们的示例中。传递给XMLEXISTS()的XQuery表达式是一个简单的XPath 表达式，其中的 $t 是XML列data：$t/marketinfo/sales/customer/address[zip = "79081"]。
Then apply the aggregation function to the SQL expression resulting from the SQL expression template to form the SQL expression for the measure.
然后，对从SQL表达式模板产生的SQL表达式应用聚合，形成度量的SQL表达式。
An expression tree is a data representation of the lambda expression in a form that is easy for you to read and reason about the lambda expression in.
表达式树是lambda表达式的一种数据表示形式，它能使你更方便地读取和推断lambda表达式。
Present somber news with a more serious expression. To communicate interest in your listeners, keep your expression alert and friendly.
你的面部表情应当自然地与信息相配合地作出相应改变，说到严肃的问题时要有更严肃的表情，与听众谈判兴趣时则要保持机敏、友好的表情。
The result of that expression is then used to create a new expression and select all the cd elements with that ID.
然后使用该表达式的结果创建一个新的表达式，选择具有此ID 的所有cd元素。
The first argument to evaluate is the expression itself, and the second is the context to evaluate the expression from.
evaluate的第一个参数是表达式本身，第二个是表达式求值开始的上下文。
Go to the condition TAB, delete the existing expression and enter the following expression using the Visual expression editor.
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。
Specify the -e option and provide an expression to evaluate. Again, wrap the expression in quotation marks to prevent interpolation by the shell.
指定- e选项并提供要运算的表达式。
Alternatively, you can try to build the regular expression pattern yourself using the regular expression Builder.
另外，也可以使用RegularExpressionBuilder自己构建正则表达式模式。
Each rule, in turn, consists of a regular expression and some code to be run when that regular expression is matched.
每一个规则依次包含一个正则表达式以及该正则表达式得到匹配时要运行的一些代码。
Click the canvas, and connect the string expression to the log expression.
单击画布，将字符串表达式连接到日志表达式。
In the next expression, it is useful to start in the innermost expression.
在接下来的表达式中，从最里面的表达式开始会很有用。
A list expression is any expression that returns a list of resources or a result that can be converted to a list of resources.
列表表达式是返回一列资源或可以被转换成一列资源的结果的任何表达式。
Every regular expression is logically equivalent to a state machine, and the parser of every regular expression implements a state machine.
逻辑上，每个规则表达式都等价于一个状态机，而每个规则表达式的语法分析器都实现这个状态机。
If you re-write this expression in terms of, let's just say, move this over to one side, you'll have the following expression.
如果你们再写下这个表达式，假如说，将这个移动到一边，你会得到接下来的表达式。
As I mentioned earlier, every query expression is generically typed to denote the type of the value the expression evaluates to.
如前所述，每个查询表达式都是泛型的，以表示表达式计算的值的类型。
The nice thing about the regular expression is the ability to customize the regular expression used.
正则表达式的一个优点是能够定制所使用的正则表示式。
The nice thing about the regular expression is the ability to customize the regular expression used.
正则表达式的一个优点是能够定制所使用的正则表示式。
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