Forums Scripts & Popups I need help to modify a code, tanks!

hide { 
  var %a, %b = $regsub($1,/(?<=\S{ $+ $2})\S/g,$replace($$3,\,\\,$,\$),%a)
  return %a 
}
hint-1 { 
  msg # $hide($gettok(%temporary,2,169),0,$chr(149)) 
}
hint-2 { 
  msg # $hide($gettok(%temporary,2,169),1,$chr(149))
}
hint-3 { 
  msg # $hide($gettok(%temporary,2,169),2,$chr(149)) 
}

Hint 1: H---- w----
Hint 2: He--- wo---
Hint 3: Hel-- wor--

Hint 1: ---l- -o---
Hint 2: -e-l- -o--d
Hint 3: -ell- -or-d