RFR: 8372950: Pem.pemEncoded should cache the Pattern

[Anthony Scarpino]

On Thu, 4 Dec 2025 17:13:13 GMT, Fernando Guallini <fguallini at openjdk.org> wrote:

> PEM is using the String.replaceAll() method that creates a Pattern internally every time. This looks like a minor inefficiency and since it is caching Patterns for other cases, it should do the same here.

Please note that if you do not integrate this change before the new year, you will need to change the copyright to 2026.

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PR Comment: https://git.openjdk.org/jdk/pull/28661#issuecomment-3690372700