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<?php function stripSpecialCharater($string) { $string = iconv("Windows-1252","UTF-8",urldecode($string)); $string = preg_replace(array('/\s{2,}/', '/[\t\n]/'), ' ', $string); return preg_replace('/[^a-zA-Z0-9ç&-©‚ƒ‘\s]/', '', $string); } $tests = ['12 34', 'adsf', 'co©', 'pound £']; foreach ($tests as $test) { echo "$test : " , stripSpecialCharater($test), "\n"; } // & is at ASCII decimal place 38 // © is at ASCII decimal place 169

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