1250     regmatch_T	regmatch;	// regexp program, may be NULL  member
1282 	pats->regmatch.regprog = vim_regcomp(pats->pat,  in prepare_pats()
1285 	pats->regmatch.regprog = NULL;  in prepare_pats()
1683     orgpat.regmatch.regprog = NULL;  in find_tags()
1753     if (has_re && orgpat.regmatch.regprog == NULL)  in find_tags()
1794     orgpat.regmatch.rm_ic = ((p_ic || !noic)  in find_tags()
1800       orgpat.regmatch.rm_ic = (p_ic || !noic);  in find_tags()
2186 		    orgpat.regmatch.rm_ic = (p_ic || !noic);  in find_tags()
2191 		if (state == TS_BINARY && orgpat.regmatch.rm_ic && !sortic)  in find_tags()
2423 		if (orgpat.regmatch.rm_ic)  in find_tags()
2438 	    if (!match && orgpat.regmatch.regprog != NULL)  in find_tags()
2444 		match = vim_regexec(&orgpat.regmatch, tagp.tagname, (colnr_T)0);  in find_tags()
2447 		    matchoff = (int)(orgpat.regmatch.startp[0] - tagp.tagname);  in find_tags()
2448 		    if (orgpat.regmatch.rm_ic)  in find_tags()
2450 			orgpat.regmatch.rm_ic = FALSE;  in find_tags()
2451 			match_no_ic = vim_regexec(&orgpat.regmatch, tagp.tagname,  in find_tags()
2453 			orgpat.regmatch.rm_ic = TRUE;  in find_tags()
2505 		    if (orgpat.regmatch.rm_ic && !match_no_ic)  in find_tags()
2749       if (stop_searching || linear || (!p_ic && noic) || orgpat.regmatch.rm_ic)  in find_tags()
2755       orgpat.regmatch.rm_ic = TRUE;	// try another time while ignoring case  in find_tags()
2768     vim_regfree(orgpat.regmatch.regprog);  in find_tags()