as far as vs in re

as far as

prep

  • With respect to; as relates to. 

  • Used other than figuratively or idiomatically: see as, far, as. 

conj

  • To the degree or extent that. 

  • Used other than figuratively or idiomatically: see as, far, as. 

in re

prep

  • In the matter of; with regard to. 

How often have the words as far as and in re occurred in a corpus of books? (source: Google Ngram Viewer )