numbered_ref_check 1851 ext/mbstring/oniguruma/regcomp.c r = numbered_ref_check(NCONS(node).left); numbered_ref_check 1855 ext/mbstring/oniguruma/regcomp.c r = numbered_ref_check(NQUALIFIER(node).target); numbered_ref_check 1858 ext/mbstring/oniguruma/regcomp.c r = numbered_ref_check(NEFFECT(node).target); numbered_ref_check 5154 ext/mbstring/oniguruma/regcomp.c r = numbered_ref_check(root);