Basically it converts the input into this:

Note: It does NOT work with a few fonts, so try different ones before complaining.

Just throw it into your remote.

If your using the default mIRC font, Fixedsys, I recommend download the updated version of this font here: http://www.fixedsysexcelsior.com/ It also has support for most unicode and does work with this script.

alias hidden {
  var %x 1, %xlen $len($1)
  while (%x <= %xlen) {
    var %return %return $+ ÒˆÒ‰ $+ $mid($1,%x,1)
    inc %x
  }
  return %return $+ ÒˆÒ‰
}