When specifying patterns in the element, realize that regular expressions are used to perform the matching and string replacement.
在元素中指定模式时，请注意，要使用正则表达式来执行匹配和字符串替换。
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.
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。
The way I have programmed these informal parsing tasks has always been somewhat of a hodgepodge of custom state-machines, regular expressions, and context-driven string tests.
我编写处理这些非正式解析任务的程序的方法总是有点象大杂烩，其中包括定制状态机、正则表达式以及上下文驱动的字符串测试。
This application USES some string methods, some regular expressions, and some program logic driven mostly by regular expressions and string matches.
该应用程序使用了一些字符串方法、一些正则表达式和一些主要由正则表达式和字符串匹配所驱动的程序逻辑。
In contrast to re (regular expressions), string functions are generally much faster, and in most cases they are easier to understand and maintain.
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。
How to use regular expressions (string patterns), enumerations, unions, lists, and substitution groups?
如何使用正则表达式(字符串范式)、枚举、联合、列表以及置换组？
Use regular expressions for more complex filtering (an asterisk (*) is always added to the beginning and end of the filter string, so there's no need to add wildcards for simple strings).
对更复杂的过滤使用正则表达式（过滤字符串的开头和末尾总是添加一个星号 *，因此没有必要为简单的字符串添加通配符）。
Determining if a string matches a pattern is the simplest use of regular expressions and, as you see in Figure 1, it's, easy to do.
确定字符串是否与模式匹配是对正则表达式的最简单应用，如图1所示，而且易于操作。
You can string together the primitives in Table 1 (and other operators) and use them in combination to build (very) complex regular expressions.
您可以连接表1中显示的元素(以及其他操作符)并加以组合使用，从而构建(非常)复杂的正则表达式。
Review the topic Regular Expressions for information on the correct syntax for the pattern and enter the string again.
查看“正则表达式”主题以获得关于该模式的正确语法的信息，然后重新输入字符串。
You can use regular expressions to search for patterns in a string, replace text, and extract substrings.
您可以使用规则运算式来搜寻字串中的模式、取代文字，以及撷取子字串。
You can use regular expressions to search for patterns in a string, replace text, and extract substrings.
您可以使用规则运算式来搜寻字串中的模式、取代文字，以及撷取子字串。
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