Regular Expression

by isogunro

HTML

<input type="text" id="regExString" />
<button onclick="CheckString();">Evaluate</button>

JavaScript

function CheckString() {
    alert("IN");
    try {
         var s=$('#regExString').val();
        alert(s);
        var regExpression = /^[A-Z,a-z]\d[A-Z,a-z][\s{1}]?\d[A-Z,a-z]\d/;
        if (regExpression.test(s))
            alert("Valid postal code.");
        else
            alert("Invalid postal code.");
    } catch(e) {
         alert(e.message);   
    }
    
}