strip and get the codes in between

please rescue me from this regex nightmare.

Claim Code:
7241B-2HWRXR9-2P2BA
    $1.00

I'm trying to assign it to a variable in php but all the regex and preg_replace i've tried doesn't help me pull out exactly what is in the middle which is: 7241B-2HWRXR9-2P2BA

any kind of help I can get on this is greatly appreciated!