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Is HTML Sanitization With Regular Expressions Always the Best Solution?

Barbara Streisand
Release: 2024-11-11 13:28:03
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Is HTML Sanitization With Regular Expressions Always the Best Solution?

Optimizing HTML Sanitization: Enhancing Performance

In the realm of web development, sanitizing strings containing HTML tags is crucial to prevent malicious attacks. The common approach is to convert characters like '<', '>', and '&' into their corresponding HTML entities, e.g., '<', '>', and '&'. While regular expressions offer a widely adopted solution, their performance may become an issue when processing large volumes of strings.

One popular approach to improve performance is to leverage the HTML parser built into web browsers. By utilizing a temporary HTML element (e.g., a