You know your IP address is important; we certainly bring it up often enough in our security guides. But why exactly is it so important? If someone manages to get your IP address, they can do a lot of ...

If you don’t hide your public IP address with a VPN, anyone on the web can see it. To find out your router’s IP address, you need either a PC or a smartphone connected to your router. We use the ...

Regular expression for matching email addresses Use it for finding email addresses or checking if something is email like. You shouldn't use this for validating emails. Only for hinting to the user.