Modifying validator to support & and ß

app/validators.php

@@ -1,7 +1,7 @@
 <?php
 
 Validator::extend('alpha_space', function ($attribute,$value,$parameters) {
-    return preg_match("/^[\s\n\-+:?#@*=;%$\"~'\/\(\)_,!.a-zA-Z0-9\pL\pN\pM_-]+$/um",$value);
+    return preg_match("/^[\s\n\-+:?#@*=;%$&ß\"~'\/\(\)_,!.a-zA-Z0-9\pL\pN\pM_-]+$/um",$value);
     // whitespace, newline, -, +, :, ?, #, ~, ', /, (, ), _, ',', !, ., a-z, A-Z, 0-9,
     //   Unicode Letter (\pL), Unicode Number (\pN), Unicode Spacing Combining Mark (\p{Mc} (eastern language vowels)), _ (again?), - (again?)
     // patterm must be matched at least once (empty strings will not pass)