Laravel Request Validation Regex without Required

Question

I have a problem with Request validation. Everything works but one pattern. And its if I dont want the field to be required but once it is filled I want it to match a regex.

But it throws regex error when I leave the field empty.

Any tips on how I should handle it? BTW: I made a custom Request class where I take care of the validation so if the solution could be also in the Request and not directly in Controller that would be great.

return [
    'dic' => 'max:12|regex:/^[a-zA-Z]{2}[0-9]{8}[0-9]*$/',
];

You may make the pattern match an empty string regex:/^(?:[a-zA-Z]{2}[0-9]{8}[0-9]*)?$/ — Wiktor Stribiżew
– Wiktor Stribiżew, Commented Nov 6, 2017 at 16:58

Jan Wytze · Accepted Answer · 2017-11-06 16:50:59Z

6

return [
    'dic' => 'nullable|max:12|regex:/^[a-zA-Z]{2}[0-9]{8}[0-9]*$/',
];

nullable won't check the other rules when the field is empty.

edited Nov 6, 2017 at 16:50

answered Nov 6, 2017 at 16:45

Jan Wytze

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1 Comment

vikiedr Over a year ago

I tried to upvote your answer but it says this "Thanks for the feedback! Votes cast by those with less than 15 reputation are recorded, but do not change the publicly displayed post score." Sorry :/

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