How to add validation for an email field for a page item in oracle apex.
Step 1:
Create a Page Item in your page. As like below image i have a field named P3_EMAIL_ID.
Step 2:
Right click on the page item to create validation on the same.
Step 3:
Choose options like below.
Type : Item matches regular expression.
Item : P3_EMAIL_ID (Change according to your email field).
Regular Expression : ^[A-Za-z]+[A-Za-z0-9.]+@[A-Za-z0-9.-]+\.[A-Za-z]{2,4}$
Follow this image also
All complete.
Now at the time of page procession it will check the validation.
For any query, please comment here.