fix(message): change regexp to parse as \w

[sogehige]

CHECKLIST

• I read contributing docs

[codecov-commenter]

Codecov Report

Merging #5112 (c0c5d02) into master (50c07ed) will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #5112      +/-   ##
==========================================
+ Coverage   59.93%   60.04%   +0.10%     
==========================================
  Files         404      404              
  Lines       18597    18597              
  Branches     3420     3420              
==========================================
+ Hits        11146    11166      +20     
+ Misses       7451     7431      -20     

Flag	Coverage Δ
postgres	60.02% <100.00%> (+0.10%)	⬆️
sqlite	59.53% <100.00%> (-0.03%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
src/message.ts	89.04% <100.00%> (+1.36%)	⬆️
src/systems/points.ts	59.48% <0.00%> (-6.11%)	⬇️
src/updater.ts	52.56% <0.00%> (-5.13%)	⬇️
src/helpers/user/changelog.ts	96.22% <0.00%> (-0.95%)	⬇️
src/watchers.ts	89.47% <0.00%> (+9.21%)	⬆️
src/helpers/permissions/cache.ts	100.00% <0.00%> (+9.52%)	⬆️
src/systems/levels.ts	62.54% <0.00%> (+10.35%)	⬆️
...elpers/permissions/recacheOnlineUsersPermission.ts	93.75% <0.00%> (+21.87%)	⬆️

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