对应用于自由格式姓名和地址的解析与词法分析的模式，也可以应用于对产品清单或增强的库存控制部分进行标准化和重复项消除。
The same pattern that applies to parsing and lexical analysis of freeform names and addresses can be applied to standardize and de-duplicate product listings or parts for enhanced inventory control.
Lex是一种词法分析工具，它可以用来从源文本识别特定结构的文本字符串。
Lex is a lexical analysis tool that can be used to identify specific text strings in a structured way from source text.
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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