Regex in MongoC

Question

How can I do this query in mongoC with bcon_new?

 db.users.find({"name": /.*m.*/})

Answer 1

After few try and error i finally found the answer based on libbson analogy

bson_t *query;

query = BCON_NEW ("name", BCON_REGEX("m","i") );

Answer 2

There is also a specialist for the bson_append_...

bson_append_regex(&doc, "name", -1, ".*m.*", nullptr);
cursor = mongoc_collection_find(coll, MONGOC_QUERY_NONE, 0, 0, 0, &doc, nullptr, nullptr);

Answer 3

There is also a specialist for the bson_append_...

bson_append_regex(&doc, "name", -1, ".*m.*", nullptr);