This is a simple example of form validation using BS5, HTML5, CSS3 and Javascript. Further implementing RegEx to match a pattern. Also makes use of jQuery.
- Grid form using Bootstrap 5
- Visual feedback with .is-valid and .is-invalid classes in Bootstrap
- Added class .validate to select inputs to validate
- Validation with RegEx
- Name
- Surname
- Mobile number
- Landline
- IBAN Account number
- Auto-fill button to test the validation
- Submit button enables on fully validated form.
Feel free to use as you wish.