A short example for PowerShell Regular Expressions.
Scenario: Match filenames like
ID1234_MyDocumentXYZ.pdf.lnk. We want go get the number after
ID and the rest of the filename between the underscore
_ and the file extension
(?<id>\d+) is a named regex capture group (initialized by
?<groupname>). The group matches any numeric character (
+ afterwards is a multiplier, so we match against any amount of numeric characters.
Since the Regular Expression matches successfully, the result is $true and we invoke the