USE_CAPITAL_P_NAMED_GROUP   92 regint.h       #if defined(USE_PERL_SUBEXP_CALL) || defined(USE_CAPITAL_P_NAMED_GROUP)
USE_CAPITAL_P_NAMED_GROUP 3993 regparse.c     #ifdef USE_CAPITAL_P_NAMED_GROUP
USE_CAPITAL_P_NAMED_GROUP 5031 regparse.c     #ifdef USE_CAPITAL_P_NAMED_GROUP