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[GR-70807] Add regex for preserve option #12446

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Oct 30, 2025
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[GR-70807] Add regex for preserve option #12446

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4 changes: 2 additions & 2 deletions docs/reference-manual/native-image/BuildOptions.md
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Expand Up @@ -141,9 +141,9 @@ GraalVM 25 introduces the `-H:Preserve` option. This lets you instruct the `nati
You can use `-H:Preserve` in the following ways:

* `-H:Preserve=all`: preserves all elements from the entire JDK and classpath. This creates larger images but ensures all code is included, which can help resolve missing metadata issues.
* `-H:Preserve=module=<module>`: preserves all elements from a given module
* `-H:Preserve=module=<module>`: preserves all elements from a given module.
* `-H:Preserve=module=ALL-UNNAMED`: preserves all elements from the classpath (provided with `-cp`).
* `-H:Preserve=package=<package>`: preserves all elements from a given package
* `-H:Preserve=package=<package>`: preserves all elements from a given package. You can use `*` to include all subpackages, for example: `-H:Preserve=package=com.my.pkg.*,package=com.another.pkg.*`. Note that only the `*` wildcard is supported; other regex patterns are not allowed.
* `-H:Preserve=path=<cp-entry>`: preserves all elements from a given class-path entry
* You can combine any of the previous uses by separating them with a comma (`,`). For example: `-H:Preserve=path=<cp-entry>,module=<module>,module=<module2>,package=<package>`

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