Improved performance of frequently used regex #365
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The OCI reference regex has some hotspots in it that aren't important to common use cases. This changes custom character classes to internal character classes (i.e.
[a-zA-Z0-9]to[:alnum:]) and removes match bounds (i.e.{0,127}).The result is a >85% perf improvement and improved memory usage. It's not a major bottleneck but the regex is used frequently when fetching/checking asset references so it helps.