if (rc_dst >= 0) {
res = pcre_get_substring_list(src, ovector_src, rc_src, &list_src);
xbt_assert1(!res, "error solving substring list for src \"%s\"", src);
if (rc_dst >= 0) {
res = pcre_get_substring_list(src, ovector_src, rc_src, &list_src);
xbt_assert1(!res, "error solving substring list for src \"%s\"", src);