3694     int		which_pat;  in ex_substitute()  local
3720 	which_pat = RE_LAST;	// use last used regexp  in ex_substitute()
3722 	which_pat = RE_SUBST;	// use last substitute regexp  in ex_substitute()
3751 		which_pat = RE_SEARCH;	    // use last '/' pattern  in ex_substitute()
3757 	    which_pat = RE_LAST;	    // use last used regexp  in ex_substitute()
3897 	    which_pat = RE_LAST;  in ex_substitute()
3966     if (search_regcomp(pat, RE_SUBST, which_pat, SEARCH_HIS, &regmatch) == FAIL)  in ex_substitute()
4892     int		which_pat;  in ex_global()  local
4909     which_pat = RE_LAST;	    // default: use last used regexp  in ex_global()
4930 	    which_pat = RE_SUBST;	// use previous substitute pattern  in ex_global()
4932 	    which_pat = RE_SEARCH;	// use previous search pattern  in ex_global()
4956     if (search_regcomp(pat, RE_BOTH, which_pat, SEARCH_HIS, &regmatch) == FAIL)  in ex_global()