A company uses unique, $9-$character codes that begin with a capital letter, followed by a hyphen $(-),$ followed by $7$ or $8$ digits as employee ID numbers, in the format A$-1234567$ or A$-12345678.$ Project reports submitted to the company include the employee's ID number and a summary of the work they completed on the project.

A data analyst wants to pull all of the employee ID numbers out of these projects. Complete the find$\_$eid function to extract these employee ID numbers from the reports.