Hello,
I have gone through the excel file provided by you and have the solution as calculated fields in Tableau using regular expressions for both Age as well as Alcohol content. I would love to connect with you and help you out with this.
Briefly about myself, I am a Certified Business Intelligence Professional with 9+ years of experience in Tableau and have been developed over 50 dashboards for different clients. I have experience working in multiple domains - Healthcare, Retail, Banking, Social Media, Telecommunication, Insurance and Aviation.
Look forward to the opportunity to collaborate with you!