Regular Expression Android USB Directory Name test
by nevkatz
HTML
<div id="root">
</div>JavaScript
//var code = 'FOAC-24C0';
var dir_name = 'AB34-A235';
//var code = 'A234';
//var regex = new RegExp(/\^[])
var regex = new RegExp(/[A-Z0-9]{4}\-[A-Z0-9]{4}/);
//var regex = new RegExp(/\d{4}/);
var pattern = dir_name.match(regex);
var result = (pattern == dir_name)
document.querySelector('#root').textContent = result;