Laravalidation
Examples
Required
Exclude
Nullable
Filled
Present
Sometimes
Regex
Laravel documentation
illuminate/validation
GitHub
[{"rule":"regex:\/^([0-9a-f]{2}:){5}[0-9a-f]{2}$\/i","value":"01:23:45:67:89:AB","disabled":false},{"rule":"not_regex:\/^bar\/i","value":"foobar","disabled":false}]