fill-range

Fill in a range of numbers or letters, optionally passing an increment or `step` to use, or create a regex-compatible range with `options.toRegex`

expand-range

Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. Used by micromatch.

babel-range-limit

Fast, bash-like range expansion. Expand a range of numbers or letters, uppercase or lowercase. See the benchmarks. Used by micromatch.