[Tip] Validate email addresses

by Harjo Kompagnie
Direct ICT

Use this method to check for the validity of email addresses:

var x = 'harjo@directict.nl'
var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
if (filter.test(x))
{
    var b = 'YES! Correct email address'
}
else
{
    var b = 'NO! Incorrect email address';
}