Extra help for people with reading problems (dyslexia)

Most errors made by people with reading and writing problems (dyslexia) will be detected by the speller. But not all, since some mistakes those people make, are actually normal words.

Would it be feasible to create something that does:

  • if a word is accepted by the spelller
  • check it for a regexp
  • if it matches apply a regexp replace
  • if that is in the speller
  • generate a warning.

This will surely be a Java rule. Would it be very hard to make?