The best replacement for select case is if then.

The best alternatives to select case are rated as following:
★★★★★  if then
★★★  if statement
★★★  if else sql
★★  if else
★★  elseif

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Speaking about select case, one probably shouldn't forget about end select.

Other search terms related to select case and their ratings are:

★★★★★ end select
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select case
if then