Refactor(test-benchmark): benchmark regex matching logic

[LouisTsai-Csie]

🗒️ Description

None

🔗 Related Issues or PRs

None

✅ Checklist

• All: Ran fast tox checks to avoid unnecessary CI fails, see also Code Standards and Enabling Pre-commit Checks:

  uvx tox -e static

• All: PR title adheres to the repo standard - it will be used as the squash commit message and should start type(scope):.
• All: Considered adding an entry to CHANGELOG.md.
• All: Considered updating the online docs in the ./docs/ directory.
• All: Set appropriate labels for the changes (only maintainers can apply labels).
• Tests: Ran mkdocs serve locally and verified the auto-generated docs for new tests in the Test Case Reference are correctly formatted.
• Tests: For PRs implementing a missed test case, update the post-mortem document to add an entry the list.
• Ported Tests: All converted JSON/YML tests from ethereum/tests or tests/static have been assigned @ported_from marker.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (forks/amsterdam@8b089c9). Learn more about missing BASE report.
⚠️ Report is 4 commits behind head on forks/amsterdam.

Additional details and impacted files

@@                Coverage Diff                 @@
##             forks/amsterdam    #1946   +/-   ##
==================================================
  Coverage                   ?   86.26%           
==================================================
  Files                      ?      538           
  Lines                      ?    34557           
  Branches                   ?     3222           
==================================================
  Hits                       ?    29809           
  Misses                     ?     4161           
  Partials                   ?      587           

Flag	Coverage Δ
unittests	86.26% <ø> (?)

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