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In the case of a traditional HTTP request, a redirect response will be generated, while a JSON response will be sent for AJAX requests. Again, if the validation fails, the proper response will automatically be generated.
If the validation passes, our controller will continue executing normally.
However, if the user only changes the name field and not the e-mail field, you do not want a validation error to be thrown because the user is already the owner of the e-mail address.
The field under validation must match the given regular expression.
The field under validation must exist on a given database table. The field under validation must be an IPv4 address.
The field under validation must be an IPv6 address.
A field is considered "empty" if one of the following conditions are true: corresponds to the file size in kilobytes.
The field under validation must start with one of the given values. If you would like to allow the field to also be Forcing A Unique Rule To Ignore A Given ID: Sometimes, you may wish to ignore a given ID during the unique check.
Adding these validation rules doesn't have to be a pain.