Extracting specific data from a string with regex and Powershell

Question

I want to extract from this string

blocked-process-report process id=\"process435d948\" taskpriority=\"0\" logused=\"0\" waitresource=\"RID: 7:1:

Answer 1

Save that as, say $string.

Then do

$string -match 'spid="(\d+)"'

If there is a match, the value you want will be in $matches[1]