Revert "feat: export event regex utility"

[denopink]

Reverts #162

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 51.66%. Comparing base (ac04be7) to head (52abaa0).

Files	Patch %	Lines
messages.go	33.33%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #163   +/-   ##
=======================================
  Coverage   51.66%   51.66%           
=======================================
  Files          31       31           
  Lines        4746     4746           
=======================================
  Hits         2452     2452           
  Misses       2104     2104           
  Partials      190      190           

Flag	Coverage Δ
unittests	51.66% <33.33%> (ø)

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