How to Get Customer by Email in Magento 2
The necessity of maintaining client data cannot be disregarded by an admin running a Magento 2 store.
For the admin to function properly in anything from marketing to customer support, shipping, and so forth, client data must be obtained.
You might want to start a marketing campaign that targets a certain age group, for instance, or include validation based on consumer demographics.
All of these operations in Magento 2 demand getting customer information.
A client may often be located in Magento 2 using their ID. However, I'll teach you how to get customer by Email in Magento 2 if you don't have a customer ID.
You can get the ID, first and last names, and other details about the customer by just submitting their email address to the code below.
For more information, visit: https://meetanshi.com/blog/get-customer-by-email-in-magento-2/