How can i automatically associate incoming incidents to an open problem

How can i automatically associate incoming incidents to an open problem

Hi guys

When we create a problem this Problem ID is sent out to relevant business affected users.  If the have the problem they included the Problem ID in the incident request subject they send in (via email)  Is there a way i can have SD automatically associate this incident to the problem and set the request status etc.  I am aware i can use business rules for the latter but have yet found a way to do the former.

Any suggestions would be great

Thanks

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