Computer Science for IGCSE & O level - Algorithm Design And Problem Solving (Section 4 - No. 34)
If you wanted to validate an email address input field, which checks would be most appropriate?
Type check
Format check
Range check
Presence check
説明
A presence check ensures that an email has been provided. A format check can validate that the email address follows the correct structure (e.g., contains '@' and '.').