fix: issue with expression continuations containing equals

[DylanPiercey]

Description

Fixes a bug where expression continuations containing equals (eg !=) were not consuming enough text because of unnecessary look ahead/behind.

Also optimize and limits valid equals sign expression regexes.

Checklist:

• [ ] I have updated/added documentation affected by my changes.
• [ ] I have added tests to cover my changes.

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 7e7022ab2d5278351857b8d48c2ae2690df78185

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

| Name | Type | | ------------- | ----- | | htmljs-parser | Patch |

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[codecov[bot]]

Codecov Report

Merging #99 (7e7022a) into main (41b9e2b) will not change coverage. The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main      #99   +/-   ##
=======================================
  Coverage   94.51%   94.51%           
=======================================
  Files          26       26           
  Lines        1058     1058           
  Branches      251      251           
=======================================
  Hits         1000     1000           
  Misses         38       38           
  Partials       20       20           

Impacted Files	Coverage Δ
src/states/EXPRESSION.ts	90.32% <100.00%> (ø)

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