Refactor: Optimize usage of re.* methods

[eumiro]

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #741 will degrade performances by 19.38%

_{Comparing eumiro:re-fullmatch (14459f8) with master (d1a874d)}

Summary

❌ 1 regressions ✅ 1 untouched benchmarks

:warning: Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	master	eumiro:re-fullmatch	Change
❌	test_format	2.3 ms	2.8 ms	-19.38%