Phone Number RegEx
For this I just wanted a basic regex for phone numbers, it’s all numeric with an optionaly starting “+”.
^\+?[0-9]{9,15}$
Programming
Checking if an IP Address is in a Subnet
If you need to whitelist/blacklist an IP address for a client sometimes they’ll give you a subnet range rather than a list of IP addresses. If the site is being hosted in Azure then this Read more…