replaces use of re with simple map
replaces use of re with simple map

khalibartan/pgmpy,sandeepkrjha/pgmpy,khalibartan/pgmpy,pgmpy/pgmpy,kris-singh/pgmpy,jhonatanoliveira/pgmpy,pgmpy/pgmpy,ankurankan/pgmpy,ankurankan/pgmpy,abinashpanda/pgmpy,kris-singh/pgmpy,jhonatanoliveira/pgmpy,abinashpanda/pgmpy,sandeepkrjha/pgmpy