Reviewing input form field.

[dontpunchme]

I am trying to block certain zipcodes from submitting a form on my website.

So.. I basically want to validate the form... if the first three characters of the zip are 220 then I want to pop an alert box telling them that that the zip code isn't allowed.

Any ideas?

 

[onpnt]

try a search on google for regular expression test on zip codes. there should be a few scripts out there for use that can be easiely modified to suite the pattern needed.

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[grtfercho]

this is some basic solution you could elaborate on it and come up with something more sophisticated..


<script>
function checkZip(elem){
var notAllowed=/^220\d\d$/.test(elem.value);
if(notAllowed){
alert(&quot;no can do sorry&quot;
elem.select();
elem.focus();
}
}
</script>
<input type=&quot;text&quot; name=&quot;zipcode&quot; onBlur=&quot;checkZip(this)&quot;>

grtfercho çB^]\..
&quot;Imagination is more important than Knowledge&quot; A. Einstein