regnum_t         1670 regex.cpp        regnum_t regnum;
regnum_t         1788 regex.cpp      						 regnum_t regnum);
regnum_t         1862 regex.cpp        regnum_t regnum = 0;
regnum_t         2443 regex.cpp                      regnum_t this_group_regnum;
regnum_t         2771 regex.cpp                    if (group_in_compile_stack (compile_stack, (regnum_t) c1))
regnum_t         3000 regex.cpp      group_in_compile_stack(compile_stack_type compile_stack, regnum_t regnum)