The following example show you how to use regular expressions to extract concepts such as coordinates and areas from text.
下面的示例演示如何使用正则表达式从文本中提取出坐标和面积等概念。
Regular expressions are ideal to extract concepts like phone or credit card numbers, addresses, dates, etc..
正则表达式很适合提取电话号码、信用卡号码、地址、日期等概念。
It then shows a simple, step-by-step example of how to use InfoSphere Warehouse to extract concepts using regular expressions.
然后，通过一个简单的示例演示如何在InfoSphereWarehouse中使用正则表达式提取概念。
Specify the XPATH expressions that DataStage should use to extract information from the input XML data (shown in Figure 11).
指定DataStage用于从输入XML数据提取信息的XPATH表达式(见图11)。
Specify the XPath expressions that DataStage should use to extract information from the input XML data (shown in Figure 12).
指定DataStage用于从输入XML数据提取信息的XPath表达式(见图12)。
Different cases for lookup require different XPath expressions to extract the specific result from the node that's returned from the XSLT key.
不同的查找情况需要不同的XPath表达式，从XSLTkey返回的节点中提取特定的结果。
The grouping features of regular expressions can be used to extract data from a string. My RegexGroup function provides that functionality to T-SQL
正则表达式的分组功能可用于从字符串中提取数据。
However, the fact that both OOXML and ODF based systems use zipped XML formats means that it is possible to directly interact with the data and extract reusable MathML expressions from either system.
事实上，基于ooxml和odf的系统都使用压缩的xml格式，这意味着可以直接与数据交互以及从这两个系统抽取可重用的MathML表达式。
The same mentality motivates Perl: succinct, powerful expressions which can economically extract results from masses of observations.
Perl实质上也是如此：它具有简洁而功能强大的表达式，可以有效地从大量输入数据中得到想要的结果。
Extract data using standard XPath expressions.
使用标准的XPath提取数据。
In order to extract mathematical expressions(MEs) in scanned Chinese document, a ME identification method based on Chinese character recognition and ME symbol recognition is proposed.
为了从中英文混排的中文文档中定位数学公式，提出了一种基于中文字符识别和公式符号识别的数学公式定位方法。
The practical application shows that the automatic wrapper based on regular expressions can precisely extract whole required contents from CNKI web pages.
实际应用结果表明，基于正则式匹配方法的全自动包装器可以精确抽取CNK I网页的全部检索内容。
Extraction rules can extract form fields, text, attributes, headers, regular expressions, and hidden fields.
撷取规则可以从栏位、文字、属性、标头、规则运算式和隐藏栏位中撷取。
Effect of eucommia bark on osteopontin and osteoprotegerin expressions in rat bone marrow stem cells: Is there any difference between water extract and methanol extract?
杜仲对大鼠骨髓基质细胞骨桥蛋白和骨保护素表达的影响水提液与醇提液有区别吗？
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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