chore: fix typo in helper module

[hiSandog]

Summary

• Rename the internal RANGE_ALPHANUMEMRIC_REG constant to RANGE_ALPHANUMERIC_REG.
• Keep the existing regular expression and behavior unchanged.

Testing

• git diff --check
• pnpm exec prettier --check src/modules/helpers/index.ts
• pnpm exec vitest run test/modules/helpers.spec.ts

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.84%. Comparing base (4798749) to head (8480539).

Additional details and impacted files

@@           Coverage Diff           @@
##             next    #3918   +/-   ##
=======================================
  Coverage   98.84%   98.84%           
=======================================
  Files         914      914           
  Lines        3215     3215           
  Branches      591      591           
=======================================
  Hits         3178     3178           
  Misses         33       33           
  Partials        4        4           

Files with missing lines	Coverage Δ
src/modules/helpers/index.ts	94.84% <100.00%> (ø)

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[Copilot]

Pull request overview

Renames an internal regex constant in SimpleHelpersModule.fromRegExp() to fix a typo while keeping the regex itself and runtime behavior unchanged.

Changes:

• Rename RANGE_ALPHANUMEMRIC_REG → RANGE_ALPHANUMERIC_REG.
• Update all in-method references to the renamed constant.

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