Creating an Azure Function

Without further delay, let's create our own Azure Function. The function we are going to create is going to validate an email address using regular expressions. This is a very standard development task to code. It is also a function that will be widely used across many applications:

Note

You will need to have an Azure account. If you do not have one, you can set up a free trial account at—https://azure.microsoft.com/en-us/free/.

1. Point your browser at—https://portal.azure.com and log on to your Azure portal.
2. Once logged in, look for the Create a resource link. Click on the link and then look for the Compute link under the Azure Marketplace section. Refer to the following screenshot:

3. A little way down under the Featured section, you will see Function App as an option. Click on that link:

4. You will now be presented with the Function App settings screen. The following options need to be entered:
   • App name: This is the globally unique name of your Azure Function.
   • Subscription...