Header From : dynamic value matching

Hello everybody,

i receive some call from robot and I would like to pick up automatically. So, I add a rule matching with “From” header but its value is made of a constant part + dynamic part. Do you know if there’s a way to match only on the first part ?
In https://github.com/jitsi/jitsi/blob/master/src/net/java/sip/communicator/impl/protocol/sip/OperationSetAutoAnswerSipImpl.java#L334 , I saw it is only a string.Equals whereas it could be a regex. Have I to open an issue on that ?