How to Use mb_eregi_replace Function to Replace Specific Content in HTML Tags (e.g., Inside <script> Tags)

M66 2025-06-23

When working with strings in PHP, it is often necessary to replace specific content within HTML code. This is particularly relevant for security purposes, such as cleaning or modifying the content inside tag, preventing overmatching.

To match multi-line script content, ensure the regex options support single-line mode (where . matches newline), which is included in the default msr options.

Advanced Usage: Replacing URL Domains with m66.net

If you want to replace the domain names in URLs inside