Support Unicode-aware regex #5540

Job	Run time
Pyk: Documentation	1m 6s
Pyk: Code Quality & Unit Tests (3.10)	1m 26s
Java: Linting	1m 15s
Pyk: Code Quality & Unit Tests (3.11)	1m 7s
Pyk: Code Quality & Unit Tests (3.12)	1m 14s
Code Quality Checks	1s
Pyk: Nix Build (ubuntu-latest)	38s
K: Source Build & Test	14m 38s
Pyk: Nix Build (macos-13)	1m 48s
K: Nix Build & Test (self-hosted, linux, normal)	4m 48s
K: Ubuntu Jammy Package	14m 48s
K: Nix Build & Test (macos-13, macos-13)	14m 37s
K: Nix Build & Test (MacM1, self-macos-12)	25m 37s
K: Profiling	13m 0s
Pyk: Regression Tests	18m 3s
Pyk: Integration Tests	18m 8s
Pyk: Profiling	4m 14s
	2h 16m 28s

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