How can I use regular expressions with Doctrine's Mongodb ODM?

Question

I\'m trying to use regular expressions to query Mongodb using Doctrine\'s Mongodb ODM on Symfony 2.

I know the PHP mongo driver can do it. However, I don\'t know how to

Answer 1

you can follow the Question on stack overflow for detail How to use Reserved characters in createQueryBuilder and MongoRegix,

Additionally, while /^a/, /^a./, and /^a.$/ match equivalent strings, they have different performance characteristics. All of these expressions use an index if an appropriate index exists; however, /^a./, and /^a.$/ are slower. /^a/ can stop scanning after matching the prefix. Mongo Docs Regix