The main program logic above searches for letter and number strings matching our simplistic criteria.

上面的主程序逻辑将搜索匹配简单标准的字母和数字字符串。

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It represents a regular expression and provides the logic to match the regular expression against strings.

它表示一个正则表达式并提供了使正则表达式与字符串相匹配的逻辑。

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You can discover from a WSDL file that a given web service takes two strings as its parameters, but you still have to write the business logic that figures out what those two strings should be.

您可以从WSDL文件中发现给定的Web服务将两个字符串作为它的参数，但您仍必须编写业务逻辑来弄清楚这两个字符串应该是什么。

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