Add exclude option & filter or exclude by regular expression

[HeavyWombat]

Follow up to #214

[codecov]

Codecov Report

Merging #223 (dba2dd8) into main (416d58b) will decrease coverage by 0.45%.
The diff coverage is 70.45%.

@@            Coverage Diff             @@
##             main     #223      +/-   ##
==========================================
- Coverage   82.30%   81.84%   -0.46%     
==========================================
  Files          13       13              
  Lines        1260     1289      +29     
==========================================
+ Hits         1037     1055      +18     
- Misses        164      173       +9     
- Partials       59       61       +2     

Flag	Coverage Δ
unittests	81.84% <70.45%> (-0.46%)	⬇️

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Impacted Files	Coverage Δ
internal/cmd/between.go	81.39% <14.28%> (-9.09%)	⬇️
pkg/dyff/reports.go	80.55% <79.41%> (-19.45%)	⬇️
internal/cmd/common.go	73.25% <100.00%> (+0.96%)	⬆️

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