Convert all px values to rem in sass style files by Regex

PX to REM.md

type ctrl+h on VsCode

On Find input insert:

\s(-*[1-9]\d*)px

On Replace input insert:

rem($1)

All your px values will convert to rem(px)
considering rem() as Sass function:

@function rem($pxsize) {
  @return math.div($pxsize, 14) * 1rem;
}