The Free On-line Dictionary of Computing (30 December 2018):

CONVERT
REC
Regular Expression Converter

    1. (Or "REC", "Regular Expression Converter") A
   string processing language that combined the pattern
   matching and transformation operations of COMIT with the
   recursive data structures of Lisp.

   ["Convert", A. Guzman et al, CACM 9(8):604-615, Aug 1966].

   2. An early language to convert programs and data from one
   language to another.

   ["CONVERT Manual", OLI Systems Inc, Oct 1976].

   (2007-02-05)