How to Remove HTML Tags from a Document Using C# Regular Expressions?

Use C#regular expression to remove the html tag

When processing HTML content, removing labels is essential for data extraction or text analysis. One method is to use the C#regular expression to perform this task.

Question:

How to use the C#regular expression to delete all HTML tags (including parentheses) from the HTML document?

code:

Explanation:

string htmlDocument = @"<p><b>Example text</b> containing tags</p>";

string result = Regex.Replace(htmlDocument, @"<[^>]*>", String.Empty);

Console.WriteLine(result); // 输出：Example text containing tags

Regular expression mode match any label (excluding the change symbols) at the end of .

Methods replace all matching modes to empty string.
• ]*> This method effectively deletes all tags from HTML documents, including sprite brackets. <code>>
Note:
• Regex.Replace
Although regular expressions are usually useful, it should be noted that they have limitations when processing HTML or XML documents. They cannot effectively handle nested structures, which can lead to unexpected results in some cases (such as CDATA containing sprite brackets). Therefore, for the complex HTML structure, it is recommended to use a stronger HTML parser.

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