$RevSite ~~ s| .*? 'https://www.eset.com/us/business/endpoint-security/windows-security/download...' |https://www.eset.com/us/business/endpoint-security/windows-security/download...;
I cleaned that regex up:
if ( $RevSite ~~ s| .*? ('https://www.eset.com/us/home/internet-security/download/?type=13554') |$0| ) {
What is in the first part between the () is copied into $0, so I don't have to repeat it. Makes it a lot easier to read.