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I want to parse some HTML in order to find the values of some attributes/tags etc.
What HTML parsers do you recommend? Any pros and cons?
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HTML is a simply structured markup language and everyone who is going to write a web scraper should deal with HTML parsing. The goal of this article is to help you find the right tool for HTML processing. HTML is so popular that there is even a better option: using a library.
However, if you actually need to parse a complete HTML or XML source in a DOM document programmatically, there is a better solution: DOMParser. It is available in all modern browsers. By using DOMParser you can easily parse the HTML document.
Parsing is another word for syntactic analysis, or the process of analyzing parts of a sentence–or in our case–a string of code. If you’re parsing html, you’re analyzing tags and elements on a web page and extracting data from them. What is parsing html? Hypertext Markup Language (html) is a computing language you use to format website text.
Parse5 parse5 provides nearly everything you may need when dealing with HTML. Parse5 is a library meant to be used to build other tools but can also be used to parse HTML directly for simple tasks. It is easy to use, but the issue is that it does not provide the methods that the browser gives you to manipulate the DOM (e.g., getElementById ).
NekoHTML, TagSoup, and JTidy will allow you to parse HTML and then process with XML tools, like XPath.
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