isregexchar       728 htags/fileindex.c 			if (isregexchar(c))
isregexchar        60 libutil/char.c 		if (isregexchar(c))
isregexchar       278 libutil/find.c 				if (isregexchar(*q))
isregexchar       623 libutil/gtagsop.c 		if (!(flags & GTOP_IGNORECASE) && *pattern == '^' && *(p = pattern + 1) && !isregexchar(*p)) {
isregexchar       626 libutil/gtagsop.c 			while (*p && !isregexchar(*p) && i < IDENTLEN)