RE_ICASE
# define RE_CARET_ANCHORS_HERE (RE_ICASE << 1)
bool icase = (dfa->mb_cur_max == 1 && (bufp->syntax & RE_ICASE));
if ((bufp->syntax & RE_ICASE) && dfa->mb_cur_max > 1)
if ((syntax & RE_ICASE)
if ((bufp->syntax & RE_ICASE) && dfa->mb_cur_max > 1)
syntax |= (cflags & REG_ICASE) ? RE_ICASE : 0;
(syntax & RE_ICASE) != 0, dfa);
if (dfa->is_utf8 && !(syntax & RE_ICASE) && preg->translate == NULL)
preg->translate, (preg->syntax & RE_ICASE) != 0,
? ((sb || !(preg->syntax & RE_ICASE || t) ? 4 : 0)