Extract XML/HTML

Extract XML/HTML

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User guide

In this guide, we will show you how to use a web application that allows you to extract data from XML or HTML documents using query expressions. You will learn how to input your XML/HTML text, create a query expression, and extract specific information from it.

Importance of Data Extraction

Data extraction is a fundamental practice for analyzing and making the most of the information contained in XML and HTML documents. These documents are often used to store structured data such as product information, lists, tables, and more. Data extraction enables the efficient retrieval of relevant information for purposes such as analysis, visualization, and automated data processing.

Using the Application

Here's how you can use the application to extract data from XML/HTML documents:

1. Inputting XML/HTML Text

In the application, you will find a text area or field where you can paste or type your XML/HTML text. Make sure the document is well-formatted and structured correctly, as this will affect the subsequent extraction phase.

2. Creating the Query Expression

A query expression is a specific statement or rule that defines what data you want to extract from the XML/HTML document. The syntax and rules for query expressions may vary depending on the application you are using. Be sure to consult the application's documentation to understand how to write a valid query expression.

Here's an example of a query expression to extract all <a> (link) elements from an HTML document:


3. Initiating the Extraction

Click on the "Extract" button or a similar button to initiate the extraction process. The application will use your query expression to search for and retrieve the corresponding data from the XML/HTML document.

4. Reviewing the Results

The application will return the extracted data in a readable format or display a list of results. You may see a list of links, paragraphs of text, numbers, or any other information matching your query expression.

5. Copying or Using the Extracted Data

After obtaining the extracted data, you can copy it to the clipboard or use it according to your needs. For example, you can paste it into a working document, a database, or another application.

6. Refining the Query Expression (optional)

If you did not get the desired results or want to extract different data, you can modify your query expression and repeat the extraction process until you get the desired data.


Data extraction from XML/HTML documents using query expressions is a powerful way to access the information contained in these documents. With the help of a suitable application, you can automate the extraction process and save valuable time. Remember that proper query expression creation is essential for obtaining accurate results. Practice and experiment with different queries to become an expert in data extraction from XML/HTML documents.

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