It will depend on your actual data: if it consists of a plus, followed by two digits, a hyphen, five digits, a hyphen, a final five digits and nothing else then it will match (the hyphens can be a space or period instead).
If it doesn't, it won't.
So start by find9ing out exactly what is in
phone
and work from there. We can't do that for you!
It may be worth your getting a copy of
Expresso[
^] - it's free, and it examines and generates Regular expressions.