Discussion on: Daily Challenge #270 - Fix String Case

[SavagePixie]

JavaScript

Something like this should do it:

const solve = str => str.replace(/[a-z]/g, '').length > str.length / 2
   ? str.toUpperCase()
   : str.toLowerCase()

[Shift / Reinhart Previano K.]

“A simple step for RegEx. A huge leap for a bunch of loops and ifs.”