In this case it is a string expression.
在本例中为一个字符串表达式。
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。
Returns a value of a string expression evaluated over another specified cube.
返回在另外一个指定的多维数据集上对字符串表达式求得的值。
The left operand is a string expression, and the right operand is a string containing the pattern to be used for matching.
左侧操作数为字符串表达式，右侧操作数为包含匹配所用模式的字符串。
The positions of the specifications in the pattern string correspond to the positions of the characters to be matched in the string expression.
模式字符串中规范的位置与字符串表达式中要进行匹配的字符位置对应。
You can match each character in the string expression against a specific character, a wildcard character, a character list, or a character range.
您可以将字符串表达式中的每个字符与具体字符、通配符、字符列表或字符范围进行匹配。
But with a string expression, there's no strong typing and that query expression doesn't get resolved until run time, which means that you won't discover problems until then.
但与字串运算式中，有没有强类型和查询运算式不能得到解决，直到运行时，这意味著您不会在此之前发现问题。
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。
The value for the OrderDate is set by calling the Bind expression and passing to it the name of the column in the GridView's associated data source and an optional data format string expression.
OrderDate的值是通过调用Bind表达式并向它传递GridView的关联数据源中列的名称和一个可选的数据格式字符串表达式来设置的。
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。
It is of course possible to have other formats, simply by changing he regular expression in the URL pattern string.
当然，还可能有其它的格式，只需要在URL格式的字符串中修改正则表达式即可。
Remember that the AST classes aren't visible outside of this package at all and that clients will (eventually) simply pass in a String representation of the expression they want evaluated.
要记住AST类在包外是不可见的， 还有就是客户机（最终）只会传入它们想求值的表达式的一个字符串表示。
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。
For example, the regular expression ABC will match the string ABC but not DEF.
例如，正则表达式abc将与字符串abc匹配，但不与def匹配。
A regular expression describes the format of a string: With the simplest form of regular expression, you input the text that you want to match.
正则表达式描述字符串的格式：使用最简单的正则表达式格式，您可以输入您希望匹配的文本。
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。
If there is no space character in the container name after the database partition expression, it is assumed that the rest of the string is part of the expression.
如果容器名称中在数据库分区表达式后面没有空格字符，则认为剩下的字符串是表达式的一部分。
If neither is possible, any expression using a large string needs to be evaluated locally.
如果两种形式都不行，那么任何使用大型字符串的表达式都需要在本地计算。
This function attempts to match and return a specific occurrence of a pattern that is defined by the regular expression against the source string.
此函数试图匹配并返回正则表达式针对源字符串定义的模式的特定发生项。
Search Settings include choosing case sensitivity, scope, and whether or not to interpret the search string as a regular expression or as a literal string.
搜索设置包括选择是否区分大小写、将搜索字符串作为正则表达式还是文本字符串解释等。
A DPTK query expression is a string that describes how to traverse the DOM.
DPTK查询表达式是一个描述如何遍历dom的字符串。
This function attempts to match a specific occurrence of the pattern that is defined by the regular expression against the source string.
此函数试图匹配正则表达式针对源字符串的模式的特定发生项。
In this context, where this is the right-hand side of a String concatenation expression (using the plus sign), this.toString is invoked implicitly.
在这里的上下文中，this在一个String的链接表达式(使用加号)的右边，this . toString被隐式地调用了。
In this mode they are said to interpret the XPath expression, since the String is being applied directly to the data model.
这种方式称为解释XPath表达式，因为String被直接应用于数据模型。
XPathExpression objects are created by passing a String representation of the XPath expression into the compile method on XPath.
XPathExpression对象通过将XPath表达式的String表示传递给XPath的编译方法来创建。
A string specifying a regular expression to match what's to the left of the cursor.
一个指定正则表达式来匹配光标左边的内容的字符串。
A string specifying a regular expression to match what's to the right of the cursor.
一个指定正则表达式来匹配光标右边的内容的字符串。
To avoid duplicating that process, XPath provides a method called compile , which simply takes your string XPath expression as its only argument.
为了避免重复这一过程，XPath提供了一个compile方法，只有一个参数，即字符串XPath表达式。
In this example, two types of user property are shown: a static string, and an XPath expression that takes its value from the inbound message.
此例中显示了两种类型的用户属性：静态字符串，以及从入站消息中取得其值的XPath表达式。
URL pattern: a Perl-compatible regular expression string to be matched with the URL sent by the client.
URL模式：与Perl兼容的正则表达式字符串，将与客户端发送的URL进行匹配。
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