java - 如何在网络收获中从字符串中减去子字符串

Question

我是 webharvest 的新手，正在使用它从网站获取文章数据，使用以下语句:

let $text := data($doc//div[@id="articleBody"])

这是我从上述语句中得到的数据:

The Refine Spa (Furman's Mill) was built as a stone grist mill along the on a tributary of Capoolong Creek by Moore Furman, quartermaster general of George Washington's army

Notable people

Notable current and former residents of Pittstown include:

我的问题是，是否可以从另一个字符串中减去一个字符串在上面的示例中:内容中的“名人”。

这样可以吗？如果可能的话请告诉我如何做。谢谢。我可以这样做吗:

if (*contains*($text, 'Notable people')) then $text := *minus*($text, 'Notable people') 

contains 是一个示例函数名称，用于确定一个字符串是否是另一个字符串的子字符串， minus 是一个示例函数名称，用于从另一个字符串中删除子字符串

所需的输出:

The Refine Spa (Furman's Mill) was built as a stone grist mill along the on a tributary of Capoolong Creek by Moore Furman, quartermaster general of George Washington's army

Notable current and former residents of Pittstown include:

Answer 1

来自http://web-harvest.sourceforge.net/manual.php :

regexp

Searches the body for the given regular expression and optionally replaces found occurrences with specified pattern.If body is a list of values then the regexp processor is applied to every item and final execution result is the list.

您只需使用正确的正则表达式、正确的regexp-pattern 和正确的regexp-result