您可以使用内置的文本分析特性，即基于词典和基于正则表达式的命名实体提取，如本系列的前面的文章所述。
You can use built-in text analysis functions, namely dictionary based and regular expression based named entity extraction, as explained in the previous articles of this series.
如本系列的前两篇文章所述，InfoSphere Warehouse为基于词典和正则表达式的文本分析提供工具。
As described in the previous articles of this series, InfoSphere Warehouse provides tooling for dictionary and regular expression-based text analysis.
尽管词法分析不是必须通过正则表达式来完成，但是它们往往可以便捷地解决程序编制和数据语言的难题。
While lexing does not have to be done through regular expressions, they tend to be a handy vehicle through the jungle of programming and data languages.
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