2 

     2 

     3 val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))

     3 val EVIL_urban = SEQ(STAR(STAR(CHAR('a'))), CHAR('b'))

     4 

     4 

     5 

     5 

     6 assert(simp(Iterator.iterate(ONE:Rexp)(r => SEQ(r, ONE | ONE)).drop(50).next) == ONE)

     6 assert(simp(Iterator.iterate(ONE:Rexp)(r => SEQ(r, ONE | ONE)).drop(50).next) == ONE)