console.log(remove_non_ascii('äÄçÇéÉêPHP-MySQLöÖÐþúÚ'));
console.log(remove_non_ascii('PHP ~!@#$%^&*()+`-={}[]|\\:";\'/?><., MySQL'));
function remove_non_ascii(str)
{
var temp = str.split('');
var ar = [];
var t
for(var i=0 ; i<temp.length ; i++)
{
t= (/[a-zA-Z]/).test(temp[i])
if(t)
{
ar.push(temp[i]);
}
}
return ar.join('');
}
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