<?php
use Illuminate\Support\Str;
$string = " Hello, World! ";
// Trim white spaces from the beginning and end
$trimmedString = trim($string);
// Convert to lowercase
$lowercaseString = Str::lower($trimmedString);
// Filter special characters
$filteredString = preg_replace('/[^a-zA-Z0-9\s]/', '', $lowercaseString);
echo $filteredString; // Output: hello world
?>
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