RFR: 8349991: GraphUtils.java can use String.replace() instead of String.replaceAll()

[Maurizio Cimadamore]

On Mon, 17 Feb 2025 02:38:20 GMT, Archie Cobbs <acobbs at openjdk.org> wrote:

> This is a tiny performance improvement that replaces a few invocations of `String.replaceAll()` with equivalent invocations of `String.replace(char, char)` and avoids the unnecessary use of regular expressions.

Marked as reviewed by mcimadamore (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/23658#pullrequestreview-2637980296