ONIG_SYN_OP2_ESC_K_NAMED_BACKREF 168 ext/mbstring/oniguruma/onigcmpt200.h ONIG_SYN_OP2_ESC_K_NAMED_BACKREF ONIG_SYN_OP2_ESC_K_NAMED_BACKREF 42 ext/mbstring/oniguruma/regparse.c ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP | ONIG_SYN_OP2_ESC_K_NAMED_BACKREF | ONIG_SYN_OP2_ESC_K_NAMED_BACKREF 3280 ext/mbstring/oniguruma/regparse.c if (IS_SYNTAX_OP2(syn, ONIG_SYN_OP2_ESC_K_NAMED_BACKREF)) { ONIG_SYN_OP2_ESC_K_NAMED_BACKREF 133 ext/mbstring/oniguruma/regsyntax.c ONIG_SYN_OP2_ESC_K_NAMED_BACKREF |