fix: Fix finding runs when the needle ends on the last character

[ReinderVosDeWael]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.28%. Comparing base (dc811f3) to head (c38c232).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #38   +/-   ##
=======================================
  Coverage   89.28%   89.28%           
=======================================
  Files           7        7           
  Lines         280      280           
=======================================
  Hits          250      250           
  Misses         30       30           

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