Can you provide examples of parsing HTML?

Question

How do you parse HTML with a variety of languages and parsing libraries?

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When answering:

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Answer 1

Language: Java
Library: jsoup

import java.io.IOException;

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.xml.sax.SAXException;

public class HtmlTest {
    public static void main(final String[] args) throws SAXException, ValidityException, ParsingException, IOException {
        final Document document = Jsoup.parse("
google
reddit
nothing
");
        final Elements links = document.select("a[href]");
        for (final Element element : links) {
            System.out.println(element.attr("href"));
        }
    }
}