对于浮点变量的操作只限于简单的赋值表达式和作为VUE函数的变量。
Operations for floating point variables are limited to simple assignment expressions and as arguments to VUE functions.
而其内置的字符串操纵函数(包括正则表达式)，以及程序上的特性和方便性使它成为创建简单“脚本”程序的理想语言。
And its built-in string manipulation functions (including regular expressions), as well as procedural and convenience features make it the ideal language for creating simple "scripting" programs.
这些支持通过行标识符(RID_BIT或RID)内置函数、ROWCHANGETOKEN表达式、基于时间的更新检测和隐式隐藏的列实现。
This support is added using the row identifier (RID_BIT or RID) built-in function, the row CHANGE TOKEN expression, the time-based update detection, and implicitly hidden columns.
表达式由数据结构、绑定的变量（即具有值的变量）、数学操作符和函数调用组成。
The expression is composed of data structures, bound variables (that is, those with a value), mathematical operations and function calls.
一些最重要的新功能可能包括异常处理、扩展函数、函数指针和/或lambda表达式。
Some of the most significant possible new features include exception handling, extension functions, function pointers, and/or lambda expressions.
前面的例子展示了如何使用这些函数和简单的XPath表达式访问XML文档中感兴趣的某个部分。
Our previous examples show how to use these functions with simple XPath expressions to navigate to a portion of an XML document of interest.
选择一个日期将生成XPath字面表达式作为函数输入，表示所选的日期和时间。
Choosing a date generates an XPath literal expression as input to the function representing the chosen date and time.
与尝试用正则表达式和字符串函数手动完成此工作相比，使用 filter_var()函数将极大地减少编码量。
The filter_var() function greatly reduces the amount of coding compared to if you were to try to do this manually with a regular expression and string functions.
在XPath表达式中，比较字符串和Boolean函数会得到非预期的结果。
In an XPath expression, comparing a string and a Boolean function can yield unexpected results.
然后，find函数搜索剧集列表以便使用与标题和摘要匹配的简单正则表达式来查找匹配项。
The find function then searches the episode list to find matches using a simple regular expression match on the title and the summary.
指定XQuery表达式和列定义，它们将驱动底层的XMLTable函数。
Specify the XQuery expression and column definition that will drive the underlying XMLTable function.
与re(规则表达式)相比，string函数通常更快速，大多数情况下他们更易于理解和维护。
In contrast to re (regular expressions), string functions are generally much faster, and in most cases they are easier to understand and maintain.
本文仅仅描述了Vimscript的基本变量、值、表达式和函数。
This article has described only Vimscript's basic variables, values, expressions, and functions.
开始时我尝试使用正则表达式和index函数来编写Algorithm：InversionList。
At first, I tried to write Algorithm: : InversionList using regular expressions and the index function.
W3Eval的数学表达式由数字、变量、操作符、函数和括号组成。
Mathematical expressions in W3Eval are built of Numbers, variables, operators, functions, and parentheses.
完成以下步骤，指定将驱动底层XMLTable函数的XQuery表达式和列定义。
Complete the following steps to specify the XQuery expression and column definition that will drive the underlying XMLTable function.
更新2是一个SQLselect语句，其中包含与更新1相同的XMLQUERY函数、转换表达式和where子句。
Update 2 is an SQL SELECT statement with the same XMLQUERY function, transform expression, and WHERE clause, as in Update 1.
要添加对输出的排序，只需将一个代码行添加到rss -summary函数中的for、let、where、order by和return (FLOWR)表达式中，对输出进行排序即可，如清单7中所示。
To add sorting to the output, you just need to add a line to the for, let, where, order by, and return (FLOWR) expression within the rss-summary function to order the output, as in Listing 7.
替换过程使用replace函数和正则表达式完成。
That's accomplished through the use of the replace function along with a regular expression.
OpenMath区别对待函数应用和绑定表达式。
OpenMath distinguishes function application from binding expression .
xml函数extract和extractxmlclob计算xml列、文档或字符串上的XPATH表达式。
The XML functions extract and extractxmlclob evaluate an XPATH expression on a XML column, document, or string.
Projectlambda包含了lambda表达式，用于实现更加简洁的封装函数行为以及并行算法的平台实现，如过滤和映射等。
Project lambda includes lambda expressions for more concisely encapsulating functional behavior together with platform implementations of concurrent algorithms like filtering or mapping.
包括所有表、存储过程、函数和视图，并能基于正则表达式来排除特定对象。
Includes all tables, stored procedures, functions, and views with the ability to exclude objects based on regex patterns.
这种观点是直接从数学中借来的。在数学中，像“2 +3”这样的语句可以分析为：由“2”和“3”将“（）+（）”补充完整的函数表达式。
This view istaken over directly from mathematics, where sentences such as ‘2 + 3’ may beanalysed in terms of a function ‘( ) + ( )’ being completed by the arguments‘2’ and ‘3’.
另外，在研究和测试新的更新功能时，在select语句(而不是update语句)中嵌入包含转换表达式的XMLQUERY函数可能更方便。
Also, to explore and test the new update capabilities initially, you may find it convenient to embed the XMLQUERY function with the transform in a SELECT statement rather than an update.
表达式使用 *VALUE、*LT、*AND 和 *EQ标准函数来测试CPU空闲时间过低的条件。
The expression uses the *VALUE, *LT, *AND, and *EQ criteria functions to test for the condition CPU idle time being too low.
当nose检查python测试模块的内部时，它采用在选择测试模块时使用的正则表达式，收集与这个正则表达式匹配的函数和类。
When nose looks inside of a Python test module, it collects functions and classes that match the same regular expression that it USES for choosing test modules.
新的功能包括用于模式匹配的正则表达式语法，新的日期函数比如当前日期，还有新的算术函数比如floor,ceiling和round。
New functions include regular expression syntax for pattern matching, new date functions such as current date, and new numeric functions such as floor, ceiling and round.
前段时间一个小伙子在论坛上询问如何在运行时计算简单的数学表达式，支持符号和函数调用。
Some days ago a guy on the forum asked about how to evaluate at runtime simple mathematical expressions with support for symbols and function calls.
函数：XPath处理程序在计算表达式时将值和函数联系起来。
Functions: the XPath processor associates values to functions when evaluating the expression.
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