how to allow letters and enye only [closed] - php

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Where do I put the enye in my regex validation? Do i just put it beside regex for letters?
I want to accept enyes in fname,lname, and mname.
return [
'fname' => 'required|max:255|regex:/^[a-zA-Z\s]+$/',
'lname' => 'required|max:255|regex:/^[a-zA-Z\s]+$/',
'mname' => 'max:255|alpha',
'file' => 'image|mimes:jpg,jpeg,png',
'contact_no' => 'regex:/^[-0-9\+]+$/',
'date_of_birth' => 'required|date_format:Y-m-d',
'school_id' => 'required|exists:schools,id',
'degree_id' => 'required|exists:degrees,id',
];

Answer 1

Thanks for the answer guys but I got it working. I just used
return [
'fname' => 'required|max:255|regex:/^[a-zA-ZÑñ\s]+$/',
'lname' => 'required|max:255|regex:/^[a-zA-ZÑñ\s]+$/',
'mname' => 'max:255|alpha',
'file' => 'image|mimes:jpg,jpeg,png',
'contact_no' => 'regex:/^[-0-9\+]+$/',
'date_of_birth' => 'required|date_format:Y-m-d',
'school_id' => 'required|exists:schools,id',
'degree_id' => 'required|exists:degrees,id',
];

Answer 2

The bytes it needs to match for enye depends on the character encoding of your string (hopefully it is utf8). So you'll need a multibyte encoding-aware regex function. Fortunately, PHP has 'em ...
$pattern = '/^[ñÑa-zA-Z\s]+$/';
mb_regex_encoding('UTF-8');
mb_ereg($pattern, $testString, $matches);
where $pattern has your regex with enye's typed in with UTF8 encoding.