Category "regex-alternation"

I want a regex support for characters that uses IP Address with Subnet

I have a regex ^[a-zA-Z0-9.*?]+$ that supports IP addresses like 31.202.216.280 how can I modify the given regex in a way where I could support subnets with an

I want a regex support for characters that uses IP Address with Subnet

I have a regex ^[a-zA-Z0-9.*?]+$ that supports IP addresses like 31.202.216.280 how can I modify the given regex in a way where I could support subnets with an