ZawGyi or Unicode detect in php

uni_zawgyi_detect.php

<?php
function test_zg_or_uni($content){
    $regexUni = '/[ဃငဆဇဈဉညဋဌဍဎဏဒဓနဘရဝဟဠအ]်|ျ[က-အ]ါ|ျ[ါ-း]|\x{103e}|\x{103f}|\x{1031}[^\x{1000}-\x{1021}\x{103b}\x{1040}\x{106a}\x{106b}\x{107e}-\x{1084}\x{108f}\x{1090}]|\x{1031}$|\x{1031}[က-အ]\x{1032}|\x{1025}\x{102f}|\x{103c}\x{103d}[\x{1000}-\x{1001}]|ည်း|ျင်း|င်|န်း|ျာ|င့်/u';
    $regexZG = '/\s\x{1031}| ေ[က-အ]်|[က-အ]း/u';
    $regexMM = '/[\x{1000}-\x{109f}\x{aa60}-\x{aa7f}]+/u';

    if(preg_match($regexUni,$content))
        return "Unicode";
    else if(preg_match($regexZG,$content))
        return "ZawGyi";
    else if(preg_match($regexMM,$content))
        return "Myanmar";
    else
        return "NotMyanmar";
}
?>